- 4 months ago
Ever wondered if you're using common objects the right way? Dive into the fascinating world of innovative design features that transform the ordinary into the extraordinary. From surprising uses for kitchen tools to clever tricks hidden in everyday items, this video reveals insights that will change your perspective. Discover how these ingenious designs can even help you save money and make life easier. Don't miss the ultimate reveal that could reshape your daily routine!
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00:00:00How many hidden features are there in your car that you have never heard of?
00:00:05Most cars these days have everything color-coded under their hoods.
00:00:09It makes it way easier to know what you need to supervise between services.
00:00:14Like the dipstick, the oil cap, or the coolant.
00:00:18You can even have a look at the brake and washer fluid.
00:00:22Anything else that's black or gray, just leave it to the mechanics.
00:00:27Ever seen a snowflake light on the dashboard of your car?
00:00:31It's not there to let you know the winter holidays are coming if that's what you're thinking.
00:00:35It's actually a sensor that indicates the exterior ambient temperature.
00:00:40It gets activated and pops up the light whenever there's a road warning due to a sharp drop in temperature.
00:00:48It may sometimes even come on with an audio warning or a message on your dashboard
00:00:52to warn you that the roads may be getting icy.
00:00:55So you can either adapt the speed or change to the appropriate tires if necessary.
00:01:01Most cars come with added features for the summertime too, like those neat sun visors.
00:01:07Yours might have an added bonus you might want to check out.
00:01:10We all know they twist to help the driver out when the sun is not shining from the front.
00:01:15But some of them can also extend, so they can provide shade to a larger area.
00:01:22If you figure out your sun visor doesn't extend, there's a simple solution though.
00:01:27Buy a sun visor extender.
00:01:29You can even find them online.
00:01:31They work by being attached to your existing sun visors or windows for better shade coverage and visibility.
00:01:39Let's find some hidden features at home.
00:01:42It's not rocket science, but there is a wrong way to make ice in the freezer.
00:01:47And that's because you're probably not using the ice cube tray correctly.
00:01:51They come with that particular shape because you need to fill the trays until there's a layer of water on
00:01:57the top.
00:01:58This layer will help remove the cubes faster from the tray because it will crack when twisted and leave each
00:02:04cube poking out.
00:02:05You can then grab them in no time and enjoy your drink.
00:02:10If you find that the heat on your oven is too high or you need to cook some delicate dishes
00:02:15that require more control over the temperature,
00:02:18there's an easy way to adjust that.
00:02:21The knobs on your oven should come with calibration screws on their backs.
00:02:26Pop out the plastic knob and adjust it to your preferences.
00:02:30Be sure to disconnect the oven from any energy source before doing it.
00:02:35Do you know what your stove and your car have in common?
00:02:39They both have hoods that you can open if you need to have a peek or if they need some
00:02:43cleaning.
00:02:45If you look closely at the top of your kitchen stove, you will see two hinges located on the back
00:02:51corners.
00:02:52You'll be able to easily lift it up and clean out all the grime that's been stuck in there.
00:02:57Ever wondered why glue doesn't stick to the inside of the bottle?
00:03:01The answer is a bit more complex, depending on the type of glue.
00:03:06But the simple response is, well, it doesn't have any air in there.
00:03:11PVA glue contains some molecules called polymers and water.
00:03:16When the glue is out, the water evaporates, leaving just the sticky polymers behind.
00:03:22Things are more or less the other way around with superglue.
00:03:26It has a chemical that solidifies as soon as it hits water vapors in the air.
00:03:33Did you know Microsoft Word has a feature that you can use for references and a bibliography?
00:03:39It's not only helpful for keeping track of everything, but it also automatically formats all the information accordingly.
00:03:47If you like to surround yourself with as many houseplants as possible, here's an easy way to figure out if
00:03:53they need watering.
00:03:54Stick your fingers into its soil.
00:03:57It should give you a better idea than simply looking at the plant's surface.
00:04:01If you can reach 2 to 3 inches into the soil and feel its dry, the plant most likely needs
00:04:07some hydration.
00:04:09However, this trick does tend to work better with smaller potted plants because of the limited depth.
00:04:15In any case, it's always best to research the plant's needs in terms of watering and sunlight before committing to
00:04:21a plant.
00:04:22And always be careful not to damage its roots.
00:04:27Be honest, you indeed have clothes you wear all the time and some that just sit there in the back
00:04:32of your closet that you've most likely forgotten about.
00:04:35Here's a neat way to figure out which one is which.
00:04:38For starters, you'll need to turn all of your hangers backwards.
00:04:42If you really feel like putting more effort into this project, you can wrap some pieces of electrical tape on
00:04:48the hangers and write the start date on each.
00:04:51After that, everything is pretty self-explanatory.
00:04:55Each time you wear a particular item, turn the hanger around, making it face forward.
00:05:01After 6 months or a year, all those items that have yet to be turned around should go to donations
00:05:07or yard sales.
00:05:09Another great way to use hangers to help you with your wardrobe organization is to use them for your scarves.
00:05:15They will be wrinkle-free, but you can also see them a lot better and have a clear view of
00:05:20the scarves you actually use and those you should let go of.
00:05:25If you're looking to increase the storage space in your wardrobe, especially when the season changes, go pick yourself up
00:05:32some vacuum-packed storage bags.
00:05:34After that, you just need to fold your garments or other pieces of laundry, like bedding or blankets for example,
00:05:41and place them in the bags.
00:05:44Turn on your vacuum cleaner, place the nozzle on the bag seal and remove all the extra air from the
00:05:50bag.
00:05:50It helps with reducing the storage size of clothes and keeps the clothes clean, dry and moth-free.
00:05:58Should you have an empty basket lying around and you aren't sure if you want to recycle it just yet,
00:06:03you can always repurpose it as a cool lamp.
00:06:06Wicker baskets work best for this.
00:06:08Just cut a small hole in the bottom of the basket and place a pendant-like kit there.
00:06:14You can even paint it manually or spray paint if you need it to be in a particular color.
00:06:19Another way to neatly repurpose things around the house is to use leftover cookie jars to store dryer balls, but
00:06:26the sky's the limit here.
00:06:28You can also use dryer sheets to remove dust from screens around your house, like computers, laptops, or TVs.
00:06:36These items are electrically charged, so they generally attract a lot of dust particles.
00:06:42Dryer sheets are made to reduce static cling, so they won't only remove the dust but also help keep it
00:06:48at bay for a longer period of time.
00:06:51Dryer sheets also help out if you're having a bad hair day, believe it or not.
00:06:55They can seriously help out taming flyaways whenever your frizz just gets out of control.
00:07:02Run one of those dryer sheets from the roots of your hair all the way down to the tip, and
00:07:06be amazed!
00:07:08If there's a particular type of soap bar you like the smell of and want to replicate that on your
00:07:13clothes too,
00:07:14pick up one of those bars to make a day's clothes fresher.
00:07:19Place it in a fabric and place it anywhere between your clothes.
00:07:23Your shirts should smell awesome every time you pick them up.
00:07:26You can also save on fabric softener.
00:07:30I don't know about your washing machine, but mine does love to jump, I'll tell you that.
00:07:35If yours tends to run out of its designated place, especially during those intense spinning cycles,
00:07:41it happens because it's not perfectly fixed to the floor.
00:07:45The good thing is that most modern washing machines can self-level since they come with a pair of legs.
00:07:51Just lift the back of the device off the surface area it sits on, and it will drop them.
00:07:56Locking them into place once it's perfectly leveled.
00:08:06What's hiding inside Coca-Cola cans and regular household batteries?
00:08:10Why do magnets affect breakfast cereals?
00:08:13Do crosswalk buttons actually work, or are they just useless decorations?
00:08:19What does that USB symbol really mean?
00:08:23I'm not sure I know the answers to these and similar questions, but I'm eager to learn the truth together
00:08:29with you.
00:08:29Let's find it out.
00:08:31Coca-Cola cans have a secret few people know about.
00:08:35Here's a Coke can.
00:08:37Let's submerge it in a highly corrosive alkaline solution.
00:08:41The aluminum dissolves due to a process known as hydrolysis, and we can see a plastic liner inside the can.
00:08:47It's made from a polymer or epoxy resin, and serves as some kind of a protective barrier between the aluminum
00:08:54walls of the can and the rather acidic soda.
00:08:58Despite a popular myth, household batteries don't actually contain liquid, and if you accidentally cut them open, no toxic liquid
00:09:06will spill.
00:09:07Most of them are dry cell batteries, which are made of electrochemical cells.
00:09:11Those convert chemical energy into electrical energy.
00:09:15Larger batteries often house numerous small cells within them, too.
00:09:20Even Tesla vehicle batteries consist of multiple small cells.
00:09:23When combined, they easily provide the necessary voltage.
00:09:29Most toothbrushes have differently colored bristles, but they aren't just pleasing to the eye.
00:09:34Those bristles, often blue, have a functional purpose.
00:09:37They're called toothbrush indicators, and their colors fade as you use the brush.
00:09:42The American Dental Association recommends changing your toothbrush at least four times a year.
00:09:48And by getting paler, these bristles help you figure out when it's time to replace your toothbrush.
00:09:54You'll probably agree that there's no better snack than a pack of chips.
00:09:58Some are flat, others have ridges.
00:10:00Is it just aesthetics?
00:10:03Not really.
00:10:03The main purpose of those lines on some kinds of chips is to help with the distribution of spices and
00:10:09seasonings.
00:10:09In other words, all those substances that make your chips taste like cheese are mostly stored inside the lines.
00:10:16Plus, the lines make chips crunchier.
00:10:20Now, this one might be a surprise, but some breakfast cereals are magnetic.
00:10:25That's because they're often fortified with iron in the form of a fine powder.
00:10:29Due to the added iron, cereal flakes get attracted to magnets.
00:10:33All this may sound kind of alarming, but in reality, the iron content in the flakes is minimal and doesn't
00:10:39pose any threat to your health.
00:10:42That clear fluid in gel pens is called the ink follower or stopper fluid.
00:10:47The gel in such pens contains pigment particles dissolved in a polymer solution.
00:10:52The main task of the stopper fluid is to be a barrier to prevent the gel from evaporating or leaking
00:10:57out.
00:10:58Without this transparent fluid, your gel pen wouldn't function.
00:11:03The fluid always stays in one position and doesn't get dissolved with the gel.
00:11:07Neither does it move backwards or flow out of the pen.
00:11:12Many pedestrian crosswalk buttons, namely in New York, are placebo buttons.
00:11:17They do literally nothing when you press them.
00:11:21Originally, they were functional after being introduced in 1964, but today, most of them don't affect traffic lights,
00:11:27which are programmed based on the real needs of the traffic flow.
00:11:31Why do such buttons even exist then?
00:11:33It's a simple psychological trick, providing you with an illusion of control.
00:11:39You might have noticed that movie theater seats are almost always red.
00:11:44This choice isn't random.
00:11:46It has strategic importance, which is rooted in visual science.
00:11:50The thing is, red light has a longer wavelength.
00:11:53It means that it's the first color to disappear in low light.
00:11:56It allows the audience to concentrate better on the screen once the movie begins.
00:12:00Such a design choice enhances the viewing experience by minimizing distractions.
00:12:06Speed bumps are crucial for pedestrian safety.
00:12:09But at the same time, they can seriously increase car emissions due to the non-stop acceleration and deceleration they
00:12:16cause.
00:12:18To address this issue, some cities, like London, are testing fake speed bumps.
00:12:23Those are optical illusions painted on the road.
00:12:26They look raised from a driver's perspective, but in reality, they're flat.
00:12:30But authorities hope that this approach will slow down drivers without having a negative impact on the environment.
00:12:38Soda bottles are always filled in such a way that there's some space between the liquid and the cap.
00:12:44That's because soda contains carbon dioxide.
00:12:46It's a gas that can expand once the bottle's heated.
00:12:49If there's no gap in the bottle, it can break because of the pressure building inside.
00:12:55Also, when you open your drink, the gases go out in the form of bubbles, making the drink overflow.
00:13:01The gap helps with this problem, too.
00:13:05The USB symbol.
00:13:07Looking like a trident has always sparked multiple speculations about its origin.
00:13:12One popular idea is that it represents Neptune's trident and symbolizes power and adaptability.
00:13:18But there's also a little bit less exciting theory.
00:13:22A man who claimed to have designed the symbol in the 1980s stated that it was supposed to represent connectivity.
00:13:28The large circle symbolizes a computer, while the attached shapes, the circle, the triangle, and square, stand for different outputs.
00:13:38The design of a tennis racket has a specific feature known as the throat.
00:13:43It's an open space below the head of the racket.
00:13:47This space isn't just for storing balls.
00:13:49It also improves the racket's aerodynamics by letting air pass through.
00:13:53It seriously reduces drag during swings.
00:13:58Speaking of tennis, tennis courts are usually built with a north-south orientation.
00:14:03It helps minimize the impact of the sun's position during the game,
00:14:07ensuring that neither player has the sun directly in their eyes.
00:14:11Look closely at a tram's overhead lines, and you'll see that its contact wires zigzag back and forth instead of
00:14:18going in a straight line.
00:14:20That's because all trams have pantographs attached to their roofs.
00:14:24The upper part of the pantograph is gradually worn down by the overhead wire and eventually needs to be replaced.
00:14:31To wear it down evenly, the wire is not installed strictly along the tram's path, but in zigzag patterns.
00:14:39As the tram moves, the pantograph slides along the wire, and it wears down evenly.
00:14:46Those cone-shaped water cooler cups?
00:14:49Their shape is intentionally designed to prevent users from setting the cups down.
00:14:54This allows employees to minimize the risk of spilling water on their desks around various electronic devices.
00:15:00Plus, less material is used to produce cone-shaped cups, which makes the process less wasteful and more cost-effective.
00:15:07It also kind of supports sustainability by encouraging people to drink their water quickly and dispose of their cups immediately
00:15:14after.
00:15:17Most suitcases have two zipper pulls, and it serves several purposes.
00:15:22First of all, if one zipper fails, the other can keep the suitcase closed.
00:15:27Even better, having two zippers allows you to have easier access to small sections of your suitcase without having to
00:15:34open it entirely.
00:15:36And finally, when you have two zippers, you can connect them with a padlock for increased security.
00:15:44Some plastic milk containers have dents on their sides.
00:15:48These dents serve several purposes.
00:15:50When milk spoils, it usually causes swelling and high-pressure buildup inside the container.
00:15:55That's when the dent pops out and doesn't let the jug blow up.
00:15:59Plus, if you decide to freeze the milk, it will expand like any other fluid.
00:16:04And then again, the indentation will pop out and prevent the container from breaking inside your freezer.
00:16:12If you ever had a problem figuring out why fake pockets exist, you need to hear this.
00:16:18The main reason is that if a clothing item has a specific cut or shape, pockets may spoil it.
00:16:24They can alter the item's shape either in the warehouse or already on the retail rack.
00:16:29The solution?
00:16:31Getting rid of the pockets in key areas.
00:16:34Plus, fake pockets are obviously cheaper, and they don't get stretched out.
00:16:40The thermos wasn't actually invented to keep your coffee warm.
00:16:44It was made by a Scottish scientist who wanted a safe place to keep his chemicals at a stable temperature.
00:16:50So, he took two bottles, put the smaller one inside the bigger bottle, and vacuumed out the air between them.
00:17:00Pockets are usually on the left side of shirts because most people are right-handed.
00:17:05Is this a myth or a fact?
00:17:07This is actually true.
00:17:09Many products favor the righties.
00:17:11Left-handed people will relate to this on so many levels.
00:17:14Let's say public transport.
00:17:17Have you ever noticed that the scanner at stations is typically on the right side?
00:17:22Household equipment and devices are one more example.
00:17:25Scissors, tweezers, bottle openers, and many other kitchen and household appliances are designed with right-handed people in mind.
00:17:32The same goes for shirt pockets.
00:17:35While some people use both hands equally and others change their hand preference between tasks, overall, most people are right
00:17:41-handed.
00:17:43A study has revealed that 75% to 90% of the world's population are right-handed and 10%
00:17:49are left-handed.
00:17:50This means it's more convenient for most people to have pockets on the left side than on the right side
00:17:56of their garments.
00:17:57Try it out for yourself.
00:17:59Your elbow kind of folds when you try to reach into the pocket on the right side.
00:18:03Whereas on the left side, your elbow makes an arc shape, which makes it easier to put things inside the
00:18:08pocket and take them out.
00:18:11Eating more protein leads to having bigger muscles.
00:18:14What do you think about this, bodybuilders?
00:18:16Myth or fact?
00:18:18This is a myth.
00:18:20It's true that eating protein is essential for building bigger muscles.
00:18:24I mean, proteins are building blocks of your body.
00:18:26And yet, eating more than you need is unnecessary.
00:18:31Everyone should drink 8 glasses of water a day.
00:18:33Do you think this is a myth or a fact?
00:18:37This is a myth.
00:18:38So don't blame yourself for drinking less water than recommended.
00:18:428 glasses are not a magic number.
00:18:44Hydration needs differ from one person to another.
00:18:48How much water you should drink every day depends on your activity and exercise level.
00:18:53The temperature of the place where you live affects this number too.
00:18:56If you live in a hot area, you sweat more and need to drink more water.
00:19:00Soup, coffee, tea, fruits, and other things you eat daily also contain water.
00:19:07Carrots are high in sugar.
00:19:09So you should avoid eating them.
00:19:10If this is true, we should warn bunnies.
00:19:13Any guesses, fact, or myth?
00:19:16It's a myth.
00:19:17Carrots are about 85% water.
00:19:20One pound of cooked carrots only contains 3 teaspoons of sugar.
00:19:24Compared to the amount of sugar in desserts, this is nothing.
00:19:27Plus, carrots are high in phytochemicals, and eating them can help lower blood sugar.
00:19:34Medieval people believed in flat earth.
00:19:36Is this a myth or a fact?
00:19:39Obviously, flat earth is a myth.
00:19:41But so is the history built around this myth.
00:19:44You can't say that at those times.
00:19:46The whole world was skeptical about earth's spherical shape.
00:19:49Even everyday visible things proved that.
00:19:52For example, medieval people could see that the twilight glow during sunrise and sunset formed an arc over the horizon.
00:20:01Vikings wore horned helmets.
00:20:03Is this a myth or fact?
00:20:05The well-known image of a Viking warrior is almost always completed with a horned helmet.
00:20:11But in reality, there are no horns.
00:20:14There's no evidence that Viking helmets were horned.
00:20:19Detox juices cleanse your body.
00:20:21Is this a fact or myth?
00:20:23It's a myth.
00:20:25Detoxification doesn't work that way.
00:20:27Your internal organs are responsible for the process of cleansing the spleen, liver, kidneys, especially the liver.
00:20:35Your body is always in a natural state of cleansing itself.
00:20:39A person doesn't need to drink juices for detoxification.
00:20:43Nuts are junk food.
00:20:45Any thoughts?
00:20:46Myth or fact?
00:20:49You're right.
00:20:50This is a myth.
00:20:51Nuts are full of healthy fats.
00:20:53They're good for your heart and other organs.
00:20:57The average American throws away about 82 pounds of textile waste per year.
00:21:02Is this a fact or myth?
00:21:06Fact!
00:21:06Imagine all that waste.
00:21:08When someone throws their clothes away, they don't disappear into thin air.
00:21:12These items most likely reach landfills as their final destination.
00:21:17Donating clothes and selling them in second-hand stores are a much better option.
00:21:22Now, you've probably heard about life-saving laundry tricks that are said to make your clothes super clean and as
00:21:28good as they were on day one.
00:21:30What if those laundry tips are actually myths?
00:21:33I got three of them lined up for you.
00:21:36Shirts should be buttoned when you put them in the laundry.
00:21:39Is it true or not?
00:21:41This is a myth.
00:21:42This is a myth.
00:21:43You'd better keep zippers closed to keep their teeth from catching the fabric of other clothes.
00:21:47But fastening the buttons of a shirt can expand the button net and the button hole.
00:21:52In the long term, buttons will start slipping out of place.
00:21:56Washing clothes in hot water is the most effective way to clean them.
00:22:00Is this a myth or a fact?
00:22:03That's another laundry myth.
00:22:05You want to rid your clothes of germs.
00:22:07Yet, hot water alone won't be enough for this.
00:22:10Nowadays, many detergents can clean clothes in cold or warm water.
00:22:15You should remove stains from the face of the fabric.
00:22:19Is it true?
00:22:20Most people apply water and soap to the stain, starting from the front side of the fabric.
00:22:25But that's not the best option.
00:22:27A much better way is to start from the back.
00:22:30The stain can go deeper if you treat it from the front.
00:22:32Try to make the stain move up to the surface rather than push it inside.
00:22:39Listening to music is an effective tool for learning languages.
00:22:42Is it a myth or fact?
00:22:45It's a fact.
00:22:46Scientists say listening to a song and humming along can help you learn a language.
00:22:51Most people struggle to learn grammar.
00:22:53Yet, in our daily lives, we don't always follow grammar rules.
00:22:57Songs can help you pick up informal expressions.
00:23:01Scientists have also concluded that music can help you remember new words and add them to your vocabulary.
00:23:07Let me give you an example.
00:23:09It's from your first year at school.
00:23:11Yep, the alphabet song.
00:23:14Are you a morning person or a night owl?
00:23:16Either way, you might want to know these facts and myths about sleep.
00:23:22The longest someone went without sleep was 11 days.
00:23:25Do you think this is possible?
00:23:27Or is it an urban legend?
00:23:30This is a fact.
00:23:31Randy Gardner set the record for the longest amount of time a person went without sleep.
00:23:36It was an experiment carried out by Stanford sleep researcher Dr. William C. Demond.
00:23:42The doctor recorded and monitored Randy Gardner's sleep activity.
00:23:46Gardner managed to stay awake for 11 days and 25 minutes.
00:23:51Your body eventually gets used to getting less sleep.
00:23:54Myth or fact?
00:23:56It's a myth.
00:23:57There are many studies proving that your body and especially your brain can't get used to sleeping less.
00:24:04Have you noticed that after a few nights of insufficient sleep, you begin to feel groggier during the day?
00:24:09That's your body trying to adjust to not getting enough rest.
00:24:13Long-term sleep deprivation affects your daytime performance, focus, and decision-making.
00:24:20Many grown-ups need 5 or fewer hours of sleep.
00:24:23Can it be true?
00:24:25Well, this one's easy.
00:24:26It's a myth.
00:24:27Experts from the National Sleep Foundation recommend that the average adult sleeps 7 to 9 hours per night.
00:24:34Some people have a genetic mutation thanks to which they wake up refreshed after a short night's sleep.
00:24:40But such people are an exception.
00:24:42One in 4 million.
00:24:44The ability to fall asleep in any place and at any time means you're a good sleeper.
00:24:50What do you think?
00:24:51Myth or fact?
00:24:53It's a myth.
00:24:54It's a myth.
00:24:55A good sleeper gets a proper amount of sleep and has a regular sleep schedule.
00:25:00Cats spend two-thirds of their life asleep.
00:25:03Do you believe that?
00:25:05This will probably come as no surprise.
00:25:07It's a fact.
00:25:08How many of the facts and myths did you guess correctly?
00:25:13Okay, today I'll show you things you've never seen and tell you stuff you never knew.
00:25:18Wow, all in one video.
00:25:20What a bargain.
00:25:21For example, these soda found stations in fast food restaurants.
00:25:25We all see the nice side of it.
00:25:27But have you ever wondered where all this soda comes from?
00:25:31Let me take you behind the scenes.
00:25:33Ta-da!
00:25:34Turns out it's a pile of boxes with tubes.
00:25:37So when the drink runs out, the employees change the box and plug the tube back in.
00:25:42Okay, let's peek into a couple more places where we normally don't belong.
00:25:47This is, for example, what you will see if you cut the screen of a Mac open.
00:25:52And here's what's hidden behind the dryers in a public laundromat.
00:25:56Today, 4 out of 5 households in the US have a dryer.
00:25:59But they weren't so widely accessible when they first appeared in the 1950s.
00:26:04Because they were way too expensive for the average homeowner.
00:26:08Now, grocery shopping isn't an uncommon practice.
00:26:11And we all have walked past dairy fridges a million times.
00:26:14But have you ever wondered what's behind them?
00:26:17Turns out they're just shelves.
00:26:19And store employees stack the products from the other side.
00:26:22It makes perfect sense, but I never imagined it like this.
00:26:26Now, this photo shows what's behind the elevator button.
00:26:29Obviously, a bunch of cords.
00:26:31The buttons are all wired to a computer that manages the elevator.
00:26:35How does the computer know where the elevator is at a particular time?
00:26:39Well, there are several possible systems.
00:26:41But the most common one is a long vertical tape in the shaft with a series of holes.
00:26:47A sensor counts the number of holes that are passed.
00:26:50And that's how the location is determined.
00:26:52Okay, there are a couple of common things we all know.
00:26:56But the purpose of which remains a mystery to most.
00:26:59So, let me share these secrets with you.
00:27:02Those metal rivets on jeans have been there from the very beginning.
00:27:06Jacob Davis, the iconic man who made the first pair of jeans,
00:27:10added copper rivets to places where pants are most likely to rip.
00:27:14Today, they have more of a decorative and distinctive purpose,
00:27:18since they are a traditional attribute of the jeans everyone knows of.
00:27:22Now, I'll bet you know there are extra loops on some shoes.
00:27:26No, they're not for sweat or ventilation.
00:27:29Those are extra loops for laces, just like other loops you use.
00:27:32But they're there to tie your shoe around the ankle to prevent your foot from moving aside.
00:27:38That's especially helpful if you're hiking and ascending and descending hills and trails.
00:27:43Now, have you ever noticed those half-belt thingies many coats and jackets have at the back?
00:27:49Turns out, they first appeared on oversized military jackets.
00:27:52So, the extra fabric could be collected on the back,
00:27:55and the person doesn't stumble when working.
00:27:58Today, those belts are only added for the sake of style and tradition.
00:28:02Most clothing items you buy come with a small bag of fabric or a button or both.
00:28:08These are actually not useless.
00:28:10Buttons obviously can be replaced if you lost the original one.
00:28:14Pieces of fabric can serve two purposes.
00:28:16You can patch up the hole, but the main purpose is to provide you with a sample of cloth,
00:28:21so you can use it to test different washing products on it and see what happens to the fabric.
00:28:27Now, pom-poms on woolen hats.
00:28:30Did you know that sailors were wearing hats with pom-poms in the 18th century
00:28:34to protect their heads in case they accidentally whacked them?
00:28:38Regular people were wearing them in Scotland,
00:28:40and the color of the pom-pom signified the person's social status.
00:28:44People got back to wearing hats with those cute decorative items during the Great Depression.
00:28:49They're made of spare yarn, so it was a cheap way to decorate your hat.
00:28:53Now, if you haven't noticed, some sidewalks have little plates with bumps on them.
00:28:58Most people don't pay much attention to them, but they're very important for visually impaired people.
00:29:04It signals a slope that then leads to a crosswalk.
00:29:08Also, several patterns signal different things.
00:29:11Have you noticed that the icon of a gas tank on car dashboards has a little arrow next to it?
00:29:17Well, the arrow has a purpose.
00:29:19It points at the side of the car where the gas tank is located.
00:29:22Very useful for forgetful people, like me, who constantly wonder which side it is on,
00:29:28and also for those who drive rentals once in a while.
00:29:31The answer is right in front of your eyes.
00:29:34If you can't find the arrow on your panel, then the fuel hose on the icon indicates the side instead.
00:29:40Now, on the back of many makeup and hygiene products, you'll find this symbol with a marking like 6M, 12M,
00:29:47and 24M.
00:29:49This is the number of months this product can serve you before you should toss it out.
00:29:54You might know that whistles work perfectly fine even if they don't have that ball inside.
00:29:59And yet, they have it.
00:30:01But why?
00:30:02Even though there's a sound without the ball, the noise it creates is very flat, and it's not distinguishable enough.
00:30:08When the whistle has a ball inside, then it starts moving with every blow,
00:30:13indicating different pitches and making the noise more noticeable.
00:30:18Lollipop sticks have those squared holes on the end of their sticks for a reason, too.
00:30:23When the candy is put on the stick, some of it goes into the hole, fixating the candy part.
00:30:28This way, the candy ball or whatever shape is less likely to fall off the stick.
00:30:34Yeah, it's a bummer when that happens.
00:30:36Measuring tapes have that little metal stud on the end.
00:30:39Most people know that you can use it to stick it to the side of the surface you're measuring.
00:30:44But it's not the only cool thing about it.
00:30:47Look, there's also a small slot.
00:30:49And this slot can be used to hang it on a nail.
00:30:52Again, to free your hands and keep measuring.
00:30:55The bottom of the end of the tape has a ridged edge.
00:30:58It'll help you make a mark if you don't have a marking tool with you.
00:31:01Have you ever wondered why the taped blade is curved?
00:31:05Well, it helps to keep it rigid when extended.
00:31:08Pay a closer look at the blade.
00:31:11Apart from numbers and markings, there are also black diamonds.
00:31:15Those are there every 12.2 inches,
00:31:17and they're useful for construction workers to space engineering joists.
00:31:22They can also be useful for you if you want to hang something heavy, for example.
00:31:26The diamond will mark the exact center of a stud, which is placed 16 inches apart from one another.
00:31:33And you can drill something to that center to make sure whatever you hang is safely attached.
00:31:39Now, most coins have ridges.
00:31:41And this is the legacy of the olden days.
00:31:44You see, back in the day, all coins were linked to a silver standard.
00:31:48The amount of silver used in the coin was proportionate to the value of the coin.
00:31:53So, the more actual silver was used to make the coin, the higher its value was.
00:31:58Hi-ho silver!
00:31:59Do you remember the Lone Ranger?
00:32:01Silver was the name of his horse.
00:32:03Eh, never mind.
00:32:04Anyway, all the coins had precious metal in them,
00:32:08and some people started shaving off a little bit of silver from it.
00:32:12It wasn't noticeable on one, but if done on several,
00:32:16people could get quite a bit of that precious metal.
00:32:18So, to prevent fraud, the edges were made with ridges for security reasons.
00:32:23So, if someone attempted to shave it off, the ridges would disappear,
00:32:27and no one would accept that coin anymore.
00:32:30Smart!
00:32:31Today, no one makes coins out of silver.
00:32:33The coins just represent the value.
00:32:36But the ridges are kind of a cultural heritage now.
00:32:39And finally, a typical plastic milk jug often has inverted circles on one or more of the sides.
00:32:45Not like alien crop circles, this dimple is there to make the jug more resistant
00:32:50and to prevent it from erupting in case the jug falls on the floor.
00:32:55The dimple gives some more space for the liquid to expand.
00:32:58Also, as the expiration date approaches, the microbes in the milk start to expel some gases.
00:33:04As there are more of them trapped inside, the pressure in the jug is rising.
00:33:08The dimple takes care of the expansion and prevents the jug from exploding.
00:33:12And the cows are utterly delighted that their hard work is not wasted.
00:33:21There's a dangerous dish that can poison you when prepared incorrectly.
00:33:25Everyday food like honey and cashew can be harmful too, in certain conditions.
00:33:30You should know these facts before you eat some products.
00:33:34Have you ever chewed the seeds when eating an apple?
00:33:37Then you know that unpleasant taste the seeds have.
00:33:40That's because of cyanide.
00:33:42Don't be alarmed yet.
00:33:43The seeds have a protective cloak covering them.
00:33:45That's why cyanide doesn't enter your system if you accidentally swallow the seeds.
00:33:51Better be cautious though.
00:33:52Even small doses of cyanide can result in rapid breathing and more extreme and unpleasant results.
00:33:59Another danger lurking in your kitchen is potatoes.
00:34:03The ones with sprouts and green spots.
00:34:05Cutting off the green parts or sprouts solves the problem only visibly.
00:34:09The toxic substance called glycoalkaloid may have already spread through the whole potato.
00:34:15This substance turns some parts of a potato green for some reason.
00:34:19It's a sign for you.
00:34:21Eating this kind of potato can cause nausea, headaches, and other consequences.
00:34:27Are you a bubble tea fan?
00:34:28Then maybe you're familiar with cassava, a.k.a. tapioca.
00:34:33This is a root veggie and it's cultivated in South America.
00:34:37It's also often used to make cakes and chips.
00:34:40It can be either sweet or bitter.
00:34:42It's common for root and tuber varieties of cassava to contain toxins.
00:34:48Tapioca must be prepared properly before you consume it.
00:34:51If it's served incorrectly or eaten raw, the consequences are pretty serious.
00:34:57But when it's processed correctly, it's delicious and safe to eat.
00:35:02Elderberries are known as a supplement to boost your immune system
00:35:05and help your body fight a cold or the flu.
00:35:08This medicinal plant needs to be handled and prepared with care too.
00:35:13If you eat unripe berries, they can do more harm than good.
00:35:17Here comes lectin and cyanide.
00:35:19These chemicals can cause stomach problems, for instance.
00:35:23This one makes me sad more than any other thing on the list.
00:35:26And this list includes a lot of healthy products.
00:35:29Anyway, here I spell it out.
00:35:31Popcorn
00:35:32There are many studies saying that microwave popcorn is harmful for you.
00:35:38First, you consume the chemicals used in packaging.
00:35:41There are also flavoring additives that aren't healthy.
00:35:45Now remember that moment when you open the bag and hot popcorn smelling air goes up into your nose?
00:35:51It can lead to irreversible lung damage.
00:35:54For instance, there's a diagnosis named popcorn lung.
00:35:57A chemical used to provide microwave popcorn with its buttery flavor is related to that diagnosis.
00:36:04What can you do?
00:36:05Choose other packaging options or invest in an air popper.
00:36:09Air popped popcorn has only 90 calories and less than 1 gram of fat.
00:36:15Yay!
00:36:16Number 6 is honey.
00:36:18Honey is a sweet liquid made by…
00:36:21I'm joking.
00:36:22But do you know that natural honey is dangerous to eat if the amount is more than a teaspoon?
00:36:27It has a toxin with a hard-to-pronounce name.
00:36:29To get rid of this toxin, honey has to go through a pasteurization process.
00:36:34Let's move on to cherry pits.
00:36:36If you don't chew or crunch them, you'll probably be fine.
00:36:39Yet, keep in mind that these pits contain prusic acid.
00:36:43And this stuff is poisonous.
00:36:46What about ackee fruit?
00:36:48It's the national fruit of Jamaica.
00:36:50And it turns out, unripe ackee contains a poison called hypoglycem.
00:36:55Ackee fruit must be fully ripe if you want to eat it.
00:36:58In other words, this fruit should open up by itself.
00:37:01Once it's ready to be picked up, it'll split wide open.
00:37:05No to the highly toxic pink flesh or black seeds.
00:37:09And yes to the delicious creamy pulp near the seeds.
00:37:12Eating this fruit incorrectly can cause Jamaican stomach sickness.
00:37:18Fugu is the Japanese word for puffer fish and the dish prepared from it.
00:37:22What's interesting about this dish is that it can be the last dish in your life if you don't prepare
00:37:28it properly.
00:37:29This fish contains a very powerful toxin that's very dangerous to humans.
00:37:33A single fish has enough poison to harm 30 people.
00:37:38Because of this, Japanese chefs undergo years of training to get a special license.
00:37:43Despite all precautions and preparations, fugu still sometimes becomes the last meal for some people.
00:37:50Would you take that risk?
00:37:52Perfect ciders.
00:37:54Cashews.
00:37:55They can also be very risky to eat when they're raw.
00:37:58You probably get cashews from stores with raw cashew labels, but they aren't 100% raw.
00:38:04Before they find their spots on the shelves, they're processed with steam to remove a toxin called urushiol.
00:38:10Cashew shells contain this toxin.
00:38:13What would happen to you if you ate these nuts raw?
00:38:16A dangerous allergic reaction if you have a tendency to allergies.
00:38:20This depends on your sensitivity to poison ivy.
00:38:25Speaking of raw food, raw kidney beans are risky too.
00:38:29They contain a toxin called lectin.
00:38:31This one can give you stomach aches and other digestion-related issues as a bonus.
00:38:36All you need is to swallow 4 to 5 raw beans to experience these side effects.
00:38:42Red beans are rich in plant-based protein, essential vitamins, and minerals.
00:38:47Cook them correctly to enjoy these goodies.
00:38:49For this, keep dried red beans on the stove for at least 10 minutes.
00:38:54Boiling them for a shorter time and at a lower temperature can actually increase their toxicity.
00:38:59Beans can become even more toxic than if they are consumed raw.
00:39:03So yeah, a minimum of 10 minutes at high temperatures.
00:39:07Eating too many untreated bitter almonds can cause many unpleasant symptoms and health issues.
00:39:14Rhubarb leaves are a bit tricky too.
00:39:16You can eat the stock, but don't munch on the leaves.
00:39:19The leaves contain oxalic acid, which ties to calcium.
00:39:23This makes it harder for the body to absorb the needed amounts of calcium.
00:39:28Mushrooms
00:39:29For plenty of people, pizza and pasta wouldn't be so great without mushrooms.
00:39:34We all know that mushrooms are kinda unpredictable, especially if they grow in the wild.
00:39:39Here are two of the most dangerous ones.
00:39:41The death cap and the destroying angel.
00:39:45Starfruit is a risky choice for people with sensitive kidneys.
00:39:49If you're one of them, you might want to keep this fruit out of your meals.
00:39:53Regularly functioning kidneys can filter out the toxins starfruit contains.
00:39:57Otherwise, the toxin will hang around and cause some problems there.
00:40:02The next product on the list is nutmeg.
00:40:05If you find that nutty flavor super nice like me, hear me out before adding it everywhere.
00:40:10Small amounts of nutmeg are fine and healthy.
00:40:13But if you, let's say, eat spoonfuls of nutmeg, it can cause problems.
00:40:18Even with two teaspoons.
00:40:20Knock knock, you get poisoned.
00:40:23Canned tuna can be a lifesaver.
00:40:25It's not pricey.
00:40:27It's a good source of protein.
00:40:28And with its help, you can prepare a delicious meal quickly.
00:40:32No cooking, just lettuce, bread, and a few more ingredients.
00:40:36There you go.
00:40:37How about three to five times a week?
00:40:40And you might experience a side effect called mercury poisoning.
00:40:44Now, this is related to how much and what type of food you consume.
00:40:48Canned tuna contains mercury, and that's why eating too much of it can lead to mercury poisoning.
00:40:54Medical advisors say that every kind of fish has some level of mercury.
00:40:59But that level differs from one species to another.
00:41:02For example, canned tuna has relatively high levels of mercury.
00:41:07Obviously, seafood is a great source of omega-3 and other things that are essential to our brain and good
00:41:12health.
00:41:13To stay safe, experts advise people to choose low-mercury seafood.
00:41:18Here's an interesting fact related to this.
00:41:20To get the most omega-3 fats from your canned tuna, choose water-packed fish instead of oil-packed.
00:41:27In oil-packed cans, the oil mixes with some of the tuna's natural fat.
00:41:32You open the can and drain the oil, and some of the fish's omega-3 fatty acids also get drained.
00:41:38But water and oil don't mix.
00:41:41Water-packed tuna won't lose its omega-3 fats.
00:41:44You can add some oil and dressing after you open the can.
00:41:52Want to play a game?
00:41:53Can you count how many technical gadgets you use during your day?
00:41:57Don't forget to count your router, lint remover, and every light bulb.
00:42:01Well, 5?
00:42:037?
00:42:04Maybe 15?
00:42:06Studies claim that the average household in the USA currently owns around 25 electronic devices.
00:42:13In 2019, this number was more than half lower.
00:42:18The modern speed of life makes it so easy to forget that our everyday essentials have history.
00:42:22Let's do some time travel to refresh our memory.
00:42:26Chances are you'll never take your toilet paper for granted again.
00:42:31You wake up to the annoying sound of an alarm clock.
00:42:34This is how it looked like 1,000 years ago.
00:42:38Just kidding.
00:42:38It's a rooster.
00:42:39These birds did a great job helping people wake up at dawn before an American named Levi Hutchins invented the
00:42:46first alarm clock in 1787.
00:42:48But this device could only ring at 4 a.m.
00:42:51It took mankind 60 more years to create a technology allowing us to set the alarm time manually.
00:42:57And around 170 more years to invent an alarm that wakes you up with your favorite aromas.
00:43:05And now it's time to brush your teeth.
00:43:09Which toothbrush would you rather choose?
00:43:11The first one is actually a vintage shoe brush.
00:43:14You should probably choose this sophisticated gold-plated tool.
00:43:19In fact, it's a toothbrush made for Emperor Napoleon Bonaparte between 1790 and 1821.
00:43:27But, of course, people realized that their teeth needed care much earlier.
00:43:31Ancient Egyptians used branches with frayed ends to rub against their teeth.
00:43:37And the first bristle toothbrushes date back to 1498.
00:43:42Chinese craftsmen manufactured bristles from hog hairs.
00:43:46360 years later, in 1857, American inventor H.N. Wadsworth patented the prototype of the modern toothbrush.
00:43:55And the first electric toothbrushes popped up in stores in 1960.
00:44:00You've just washed your hair.
00:44:02Time to do some styling.
00:44:04Would you risk putting your head inside this vintage hair dryer?
00:44:07A stationary hair dryer was invented in 1890 in France.
00:44:12Although it looks pretty claustrophobic, it was very popular in beauty salons before the era of portable hair dryers came
00:44:20over.
00:44:21Let's move on to the toilet.
00:44:23How about using a stone instead of toilet paper?
00:44:25In ancient times, people chose various materials to clean up, including leaves, grass, animal furs, water, seashells, and even stones.
00:44:36Rumor has it that ancient Greeks preferred using ceramics with their enemies' names.
00:44:40And in 1857, an American named Joseph Gaiety first marketed the modern toilet paper.
00:44:47He called it simply,
00:44:49Medicated Paper for the Water Closet.
00:44:51The paper was sold in packages of 500 sheets for 50 cents, which is worth $17 in today's money.
00:44:59And this is what your flush toilet would look like if you lived in 1592.
00:45:05Sir John Harrington, godson of Elizabeth I, created this masterpiece in England.
00:45:11It's basically a water closet with a raised cistern and a small downpipe through which water runs and flushes the
00:45:17waste.
00:45:20Time to cook some breakfast.
00:45:22These old kitchen stoves are no more than wood-burning cook stoves.
00:45:26But as the age of invention took place, stoves evolved to fit modern homes.
00:45:31Gas stoves first appeared in 1826, and in 100 years, they were used in most domestic kitchens.
00:45:40And now, let's boil some water to make tea.
00:45:43Before the 19th century, most kettles were made of iron.
00:45:48People placed them directly on the flame.
00:45:50That's why such kettles needed constant cleaning.
00:45:53Mesopotamian tea lovers made their kettles from bronze,
00:45:56and it took an effort to make all these sophisticated decorations.
00:46:01But the first electric kettle appeared only in 1891 in the USA.
00:46:06It took about 12 minutes to boil water,
00:46:09because the water and the heating elements were placed in separate chambers.
00:46:13Luckily, the modern kettles do it in a blink of an eye.
00:46:18Well, now, can you guess what this device is for?
00:46:21Nope, it's not a sewing machine.
00:46:23It's an electric toaster.
00:46:26This is what it looked like in 1893, when it was first invented in Scotland.
00:46:31Nowadays, toasters look more aesthetically pleasing and take less space.
00:46:37Speaking of space, the first hard disk was the size of a cupboard,
00:46:41and its storage was only 5 megabytes.
00:46:44But today, we have 32 gigabyte disks that are used in cameras and mobile phones.
00:46:50Just imagine how much information you could fit in a cupboard if you could fill it fully with such disks.
00:46:56The correct answer is...
00:46:58A lot!
00:47:00Your friend is calling.
00:47:02Pick up the phone!
00:47:03But get straight to the point.
00:47:05It only has about 20 minutes of battery life.
00:47:07This massive tool is the world's first mobile phone made by Motorola in 1973.
00:47:14It weighs 2.5 pounds and costs $4,000, which is around $27,000 in today's money.
00:47:24Time to get dressed for work.
00:47:26Would you risk ironing your crispy white shirt with such a device?
00:47:29Well, people used to take that risk before inventing the first electric iron in 1882.
00:47:35And this cute creature is an antique gas-powered iron made at the beginning of the 20th century.
00:47:41Earlier, they just put coal in the iron to heat it up.
00:47:46Is it too sunny outdoors?
00:47:48No problem.
00:47:49Put on this stylish accessory.
00:47:52Snow goggles were invented centuries ago to protect eyes from snow blindness.
00:47:57And this simple item has eventually evolved into sunglasses that we use today to hide from UV light.
00:48:05Why is everything so blurry?
00:48:08Did you forget to put on your contact lenses?
00:48:11Today, over 150 million people worldwide use them on a daily basis.
00:48:17But the first guy to get this brilliant idea lived in the 16th century.
00:48:22And his name was?
00:48:23Leonardo da Vinci.
00:48:25In 1508, he described a method of directly affecting the cornea by putting the head in a bowl of water.
00:48:32Or just wearing a water-filled glass hemisphere over the eyes.
00:48:36But it took people around 400 years to bring that idea to light.
00:48:42And meanwhile, humankind used eyeglasses.
00:48:45The ancient ones used to have lenses made out of quartz and metal frames.
00:48:50Of course, their design was too heavy to be considered fashionable.
00:48:53But thankfully, today we enjoy a wide variety of frames in different styles and designs with glass or plastic lenses.
00:49:04It's time to hit the road.
00:49:06Would you mind riding this bike?
00:49:08That's right.
00:49:09It doesn't have any pedals.
00:49:10First bicycles didn't have a saddle, a braking mechanism, or pedals.
00:49:14That's why people simply called it the running machine.
00:49:18Also, manufacturers offered models with a bigger front wheel for higher speeds.
00:49:23Thankfully, speed and comfort characteristics evolved over time and continue to do so today.
00:49:31Take a look at this amazing rainbow.
00:49:34We got to take a picture immediately.
00:49:37Unfortunately, 40 years ago, this photo would have looked something like this.
00:49:41No color, no clarity.
00:49:43It was the time when digital cameras had just appeared.
00:49:47They weighed 9 pounds, and they could only take black and white images.
00:49:51But the progress is impressive.
00:49:54Today, it takes just one click to make a high-resolution picture or video on your phone.
00:50:01Finally, you arrive at the office and see this mysterious device.
00:50:06Can you recognize its purpose?
00:50:08It's an old-school printer.
00:50:10The first printing devices appeared in the 15th century in Europe,
00:50:14and they were way bigger and heavier than the modern ones that we use in offices and homes.
00:50:21Your shirt got dirty after a long day at work.
00:50:24Which machine would you rather choose to wash it?
00:50:27The right device is a wiser choice because it's electric.
00:50:31The left washing machine can wash up to 10 shirts,
00:50:34but it's only operated with a hand crank.
00:50:38Someone has spilled popcorn on the floor.
00:50:41Let's clean this up.
00:50:42But can you guess which of these two devices is the real vacuum cleaner?
00:50:46The left one.
00:50:47The right device is a vintage lawnmower.
00:50:51The first vacuum cleaners appeared in 1901, and they were petrol-driven.
00:50:56It took a while for this device to evolve into a vacuum cleaner robot free of any tubes and wires.
00:51:03Just take a look at these two pictures.
00:51:05These devices don't even look like they're from the same planet.
00:51:10Have you ever wondered what these extra holes at the top of your running shoes are for?
00:51:15They're designed so that you can tie the shoes in multiple different ways.
00:51:19That's useful when you want to compensate for things such as a bad stride or even a damaged toe.
00:51:26Plus, you can change the look of your shoes the way you prefer.
00:51:32Many people use a dust jacket of their book as a bookmarker.
00:51:36No problem with that.
00:51:37It will save your book from bent page corners.
00:51:39But the primary purpose of a dust cover is to keep the book safe from distortions.
00:51:44For instance, if you spill juice or drop some of the food on your book while reading it.
00:51:51The Tic Tac dispenser has this little groove on its top,
00:51:54so you can dispense only one Tic Tac at a time.
00:51:57Even though, let's be honest here, nobody does that.
00:52:00Most of us just spill a whole bunch at once,
00:52:03and then we wiggle all those extra Tic Tacs back in.
00:52:08Those rubber bumps you see between the tire treads are there for your safety.
00:52:12The raised edges tell you what the minimum height of your tread is.
00:52:16If the bump and the edges are even,
00:52:18it's time for you to visit the tire shop as soon as possible.
00:52:22But if the bumps are well beneath the level of the edges, you're good to go.
00:52:28What about that black grating on the microwave window?
00:52:31It's something called a Faraday shield,
00:52:33and it's there to prevent microwaves from getting away
00:52:36and turning the entire room into a Faraday cage.
00:52:39If the microwaves escape, your meal won't cook properly either.
00:52:44So yep, the cage is not there to make it difficult for you to see your meal while it's cooking.
00:52:48It's keeping the electromagnetic energy inside.
00:52:53How about a wrench-compatible screwdriver?
00:52:56Cover your screwdriver with the end of your wrench,
00:52:58and you can increase its torque.
00:53:00That's why the head of your screwdriver is designed the way it is.
00:53:03When you have odd angles, you can use this strategy.
00:53:08You've probably heard those myths,
00:53:10the blue side of the eraser can erase the pen.
00:53:13False.
00:53:14Its purpose is to erase a pencil,
00:53:16but in case you're writing something on heavier paper.
00:53:20The blue side can remove smudges you see after using the pink eraser too.
00:53:26Have you ever wondered why oranges in supermarkets mostly come in the red mesh bag?
00:53:31It's a trick to make this food look more orange and encourage you to make a purchase.
00:53:36An extra tip, don't throw away the mesh bag.
00:53:39Tie it up so you can have a small pot scrubber to clean your sink,
00:53:42kitchen, appliances, and dishes.
00:53:47You can see golf balls don't have a perfectly round shape.
00:53:51Their surface is covered with many little dimples,
00:53:54something golf balls didn't always have.
00:53:56At one point, experienced golfers started noticing how through time,
00:54:00older balls with imperfections,
00:54:03such as nicks and bumps,
00:54:05could travel further.
00:54:06Such things create turbulence in the air around the golf ball,
00:54:10which eventually reduces drag.
00:54:12So, manufacturers started producing balls with dimples
00:54:17so they could go farther and faster.
00:54:20You might have noticed that sometimes there are ridges in toothpick tops.
00:54:24It's more hygienic, because when you break that off,
00:54:27you can prop the toothpick up on it,
00:54:29and it won't touch anything.
00:54:33Another safety feature you'll find,
00:54:35this time in your car,
00:54:36is a tab on your rearview mirror.
00:54:39With it, you can change the position of the mirror,
00:54:41so you don't get blinded if there's a car behind you
00:54:44with its high beams on.
00:54:46So, this little tab helps you control the glare of lights coming from behind.
00:54:50This feature showed up in the 1930s,
00:54:53but in the early 1970s,
00:54:54it became a part of standard equipment
00:54:57in most trucks and cars.
00:55:00Do you see that tiny hole on your iPhone,
00:55:03right next to the rear-facing camera?
00:55:04It's a microphone,
00:55:06and it's there so your phone can record sound
00:55:08as you turn your camera around.
00:55:12Some cables have a thick cylinder towards the end of the cord.
00:55:16It's called a ferrite cord, or a choke.
00:55:19It's a magnetic iron oxide
00:55:21that stops high-frequency electromagnetic interference.
00:55:25For example,
00:55:26you know that annoying static noise you get
00:55:28if you bring your phone too close to a speaker?
00:55:31This interrupts your call,
00:55:33which is why cable cords with big cylinders are pretty useful,
00:55:36because they prevent these things.
00:55:40Do you know why nearly all luggage bags and backpacks have two zippers?
00:55:44It's way more convenient and easier to open in that way.
00:55:48But not just that,
00:55:49you can also lock these two zippers together
00:55:51to keep the stuff inside your bags safer.
00:55:55You know how toilets at public spots like malls
00:55:59have those big gaps at the bottom?
00:56:01It's primarily for better circulation of air.
00:56:04This type of door also makes it easier to clean the toilet
00:56:07or check if it's occupied if you're standing in line.
00:56:11Other than that,
00:56:12if you get stuck there and the lock gets broken,
00:56:15you still have a way to escape.
00:56:17You can just crawl out.
00:56:20Ever notice those plastic end caps on utility knives?
00:56:24And they also have scales on them,
00:56:26which indicates you may use them multiple times,
00:56:29but with sharp edges.
00:56:31You can separate the blades through these plastic end caps.
00:56:35Then, you can move the slider
00:56:37and bring the sharp blade to the front.
00:56:39If you've ever taken a moment
00:56:41to examine a regular grocery cart,
00:56:43especially their fold-out section,
00:56:45you probably notice those metal loops jutting out.
00:56:49They're designed to protect the items you carry in your cart.
00:56:53You can use them to hang bags with soft items.
00:56:56You don't want to accidentally squish with heavier products like bread
00:57:00or easily breakable things like eggs.
00:57:05Many coffee mugs come with curved notches on their bottom.
00:57:08When you're washing your mugs,
00:57:10put them against the rack at an angle in your dishwasher.
00:57:13This way, the water won't pool in there,
00:57:15so your favorite cup will be completely dry
00:57:17by the time you take it out of the dishwasher.
00:57:21If you're a McFlurry fan,
00:57:23you've probably noticed there's a square hole
00:57:25in the handle of the spoon.
00:57:27It's there so you can attach it to the special machine
00:57:30that mixes the ice cream and your favorite toppings together.
00:57:33The machine has a bar that slips into this square-shaped spoon
00:57:37and then thoroughly stirs it.
00:57:39And you get the spoon so they can minimize the mess during the process.
00:57:44Quite neat, wouldn't you say?
00:57:47A regular milk jug has a dent on one side.
00:57:50Some might see it as a random design decision,
00:57:53but a dent has several purposes.
00:57:56One of them is to get bigger if there's a gas buildup.
00:57:59This happens when your milk is spoiled.
00:58:02So you don't even have to try to check this out.
00:58:04Also, the dent is there so the jug doesn't burst
00:58:08if you accidentally drop it.
00:58:10The dent allows the expansion space
00:58:12that deals with the sudden pressure
00:58:13that happens when you drop the jug.
00:58:17Dental floss.
00:58:18Sure, it's important for your dental health
00:58:20and it's easy to assume what you do with it.
00:58:23But dental floss is great in the kitchen as well
00:58:25because it's a very precise cake slicer.
00:58:29Way better than a regular knife.
00:58:33Most kitchen shears have a serrated opening
00:58:36right there at the center where the blades and handles meet.
00:58:40It's something you can use to trim difficult herbs
00:58:42such as rosemary, thyme, or chives.
00:58:45Because of this opening,
00:58:47you don't need to pick the leaves off by hand,
00:58:49but de-stem them in one motion.
00:58:53The majority of gelatin containers
00:58:55or single-serving yogurts
00:58:56come with a tinfoil lid.
00:58:58And in most cases,
00:59:00you can use this covering
00:59:01as a disposable spoon.
00:59:03Just peel away the covering
00:59:04and after a couple of simple folds,
00:59:06you'll have a perfect little spoon
00:59:08for your midday snack.
00:59:11If you ever find yourself
00:59:13stuck in the trunk of your car,
00:59:14stay calm.
00:59:15All cars are supposed to be equipped
00:59:17with an emergency latch
00:59:19to help open the trunk from the inside
00:59:21in the unlikely case it happens.
00:59:23These latches are so well thought out
00:59:25that they can be opened by people of all ages.
00:59:28More so,
00:59:29handles are designed to glow in the dark, too.
00:59:32You can even pull them with a mouth
00:59:34if there's not enough wiggle room
00:59:35to use your hands.
00:59:36Never mind how you ended up
00:59:38in the trunk in the first place.
00:59:39Moving on.
00:59:40If you're ever working with needle and thread,
00:59:43remember,
00:59:44you don't need to stick the needle
00:59:45directly into the spool.
00:59:47You may end up losing the needle altogether.
00:59:50Not to mention,
00:59:51you can easily hurt your fingers.
00:59:52A lot of modern sewing kits these days
00:59:55come with a designated place
00:59:56for safeguarding the needles.
00:59:58It's located at the bottom part
01:00:00of the thread spool.
01:00:01You'll just need to pull it out.
01:00:03It's even made to hold
01:00:04multiple sewing needles at a time.
01:00:07Disposable ballpoint pens
01:00:09come with a little secret of their own.
01:00:11Did you ever notice that in some of them,
01:00:13there's a small hole in the plastic part?
01:00:16It's actually a rudimentary ventilation system.
01:00:19It's supposed to let the ink
01:00:21easily make it to the tip of the pen.
01:00:23Okay, I know it's in the name,
01:00:25but you really don't need to shake
01:00:27the seasoning shaker
01:00:28to get any product out.
01:00:30Don't believe me?
01:00:31Hey, you're not the only one.
01:00:32Go grab your favorite seasoning bottle
01:00:35out of your pantry.
01:00:36If it has one of those
01:00:37removable plastic caps,
01:00:39it's perfect for the experiment.
01:00:41Instead of shaking the bottle,
01:00:43try holding it from the plastic cap
01:00:45while it's upside down.
01:00:46Now, gently twist the bottle
01:00:49from side to side and,
01:00:50before you know it,
01:00:51you get some gorgeously flowing seasoning
01:00:54without having to wiggle the shaker
01:00:56and make a mess all over the stove.
01:00:58On the same note,
01:01:00most salt and pepper shakers
01:01:02should have ridges
01:01:03on the bottom of the glass portion.
01:01:05In case you get any seasoning
01:01:06stuck in there,
01:01:07place the bottom of the salt shaker
01:01:09against the bottom of the pepper shaker
01:01:11and wiggle it around
01:01:12so the ridges click with each other.
01:01:14The seasoning should easily pour out now
01:01:17without you having to open the bottle.
01:01:19In colder weather,
01:01:21you often have so many clothing layers on you
01:01:23that you can hardly feel the purse
01:01:25or back straps on your shoulder anymore,
01:01:28not to mention how fast they can slide off.
01:01:31Some jackets come with a built-in solution for that
01:01:33in the form of a small tab on the shoulder
01:01:36with either a hook or a button.
01:01:38It's meant to be opened and closed comfortably
01:01:40so you can keep your purse in place at any time.
01:01:45You're most likely using it
01:01:47merely to peel the skin of potatoes,
01:01:49carrots, or cucumbers.
01:01:50But you can use your vegetable peeler
01:01:53for chopping fine strips of onion as well.
01:01:55Just cut the onion into quarters vertically
01:01:58and then start slicing.
01:02:00This might also help out
01:02:02with those embarrassing onion tears.
01:02:04Most people miss this one,
01:02:06but should you ever have a closer look
01:02:08at your toothpaste tube,
01:02:09You will surely see some sort of coloring there,
01:02:12either a dot or a block.
01:02:15Colors can vary.
01:02:16They can be black, green, red, or even blue.
01:02:19These color spots are actually meant
01:02:21to help the assembly machines
01:02:23back at the toothpaste factory.
01:02:24They recognize when and where these machines
01:02:27need to cut the toothpaste tubes
01:02:28and proceed to fold them for packaging.
01:02:31For most types of footwear,
01:02:33if there's anything that seems a bit out of place,
01:02:35always know that it's there for a reason.
01:02:38Most manufacturers don't put extra items
01:02:40on shoes just for fun.
01:02:42It would definitely be a waste of time and resources.
01:02:45For footwear, like boots, for example,
01:02:48there's often a small loop
01:02:49at the top back of the shoe.
01:02:51It's there to help you
01:02:52when you need to put the shoe on
01:02:54since you can quickly pull on it.
01:02:56Plus, you can also hang the shoes somewhere,
01:02:58most likely to dry,
01:03:00since most boots are meant to be worn
01:03:02in the colder weather.
01:03:03Now, I've been guilty at least once
01:03:06of overdressing with a bunch of layers
01:03:08just so I won't need to jam everything
01:03:10in my check-in bag.
01:03:11But does it become a problem
01:03:13when you actually have to get seated?
01:03:15What do you do with your coat or your jacket?
01:03:18Well, have a closer look
01:03:20next time you board a plane
01:03:21on the seat in front of you.
01:03:23The hook that keeps the tray table upright
01:03:25can double as a jacket hook.
01:03:28As long as you don't need to have any meals
01:03:30while in the air,
01:03:31you're good to go.
01:03:33Now, most mascaras expire
01:03:34within three to six months,
01:03:36I'm told,
01:03:37depending on the manufacturer.
01:03:38But you can help speed up that process
01:03:40if you're not careful enough.
01:03:43Continuously pumping the mascara wand,
01:03:45trying to mix in the product,
01:03:47actually pushes more air into the tube.
01:03:49This can make it dry much faster,
01:03:51and you evidently won't get
01:03:53the desired results with it anymore.
01:03:55There's an easy way to check
01:03:57if your mascara is still good enough to use.
01:03:59If you don't hear a popping noise
01:04:01when you take the brush out,
01:04:03you may very well need to go get yourself
01:04:05a new mascara tube.
01:04:07Now, I know we're living in the era
01:04:10of Bluetooth-connected devices,
01:04:12but for better quality sound,
01:04:14they still recommend using headphones
01:04:16that connect via audio jacks.
01:04:18Remember seeing black ridges on those jacks?
01:04:21They aren't there just to make them fit
01:04:23when you plug them into your phone or laptop.
01:04:25Made out of a special insulating material,
01:04:28these bands are meant to guard the wires
01:04:31when sound is being transmitted.
01:04:33Based on the number of bands,
01:04:34you can figure out which end goes where.
01:04:37Some empty space under noodles in a cup
01:04:39doesn't mean the company producing them
01:04:41wants to cheat you out of a full portion.
01:04:44No, no.
01:04:45It's a manner of keeping the noodles intact
01:04:47during their transportation.
01:04:48It also helps with the circulation of hot water
01:04:51that is poured over the products
01:04:53before you can enjoy them.
01:04:55The V-shaped neckline was initially designed
01:04:58to serve a bunch of objectives.
01:04:59First, as a way of prolonging the life of the garment
01:05:02that would maintain its shape over the years.
01:05:05It's also there to fit your head through the shirt
01:05:07in case it needs some stretching.
01:05:09This way, it ensures a snugger grip around the neck.
01:05:13Lastly, it helps absorb sweat
01:05:15in case you're wearing the shirt while exercising.
01:05:18Now, it's not necessarily a custom anymore,
01:05:21but you may have stumbled upon a dinner jacket
01:05:23with an additional mysterious pocket on the right side.
01:05:27Turns out, this pocket was used by men
01:05:29to easily reach their train tickets,
01:05:32since most of them had to travel to work every day.
01:05:35It helped them keep their jacket buttoned up,
01:05:37but also benefited from the use of a pocket.
01:05:40Now, it's only added as a decoration,
01:05:42and it doesn't serve an actual purpose anymore.
01:05:45Speaking of things we don't use these days,
01:05:48or at least for their initial purpose,
01:05:50did you know Play-Doh was originally a cleaning product?
01:05:54In the 1920s, the market was in need of a product
01:05:57that could help them wipe the wallpapered areas
01:06:00around coal-burning furnaces.
01:06:02The recipe for what we now know as Play-Doh
01:06:05was thus invented.
01:06:06It was manufactured in white only,
01:06:09and was supposed to clean wallpaper
01:06:11by being rolled back and forth over the dirt.
01:06:13It was only later, in the 1940s,
01:06:16that new products for cleaning wallpaper were brought up,
01:06:19and Play-Doh was redirected
01:06:21toward another area of the market.
01:06:24Now, while I enjoy a nice piece of toast for breakfast,
01:06:27isn't it pesky to have to clean out the toaster?
01:06:30Well, not anymore,
01:06:32since I recently found out that toasters
01:06:34have a slide or a panel at the bottom
01:06:37that helps get rid of all those annoying breadcrumbs easily.
01:06:43Now, there used to be a time
01:06:45when you could only have access to video games
01:06:47by inserting cartridges in your console of choice.
01:06:51These tiny objects gave many doctors a lot of headaches.
01:06:54People soon started popping up in hospitals
01:06:57after swallowing small game cartridges,
01:07:00especially the younger generation.
01:07:02Nintendo, the company that manufactures
01:07:05the majority of these devices
01:07:06had to come up with a creative solution
01:07:08to prevent these accidents.
01:07:10So, these days,
01:07:11Nintendo Switch cartridges
01:07:13are purposely coated with specific chemicals
01:07:16that can leave a really bad bitter taste in the mouth.
01:07:19Not that I'd, you know,
01:07:20recommend you ever try and taste for yourself.
01:07:23Hmm.
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