
How to calculate flash point of mixture? - Physics Forums
Jun 7, 2012 · Hey guys, I would like to create a mixture out of two liquids with an ideal flash point of around 70ºF. The liquids I have to work with are 200 proof (100%) isopropyl alcohol (2 …
Unexplained bright flash of light inside house - Physics Forums
Dec 31, 2022 · The first flash was so bright it immediately woke me up. I thought somebody just shined a bright flash light in my face from inches away. The second flash 5 seconds later, I …
Jet Fuel, JP-5, JP-8 & DFM: Properties, Chemical Composition ...
Aug 12, 2006 · JP-5 is a high-flash-point jet fuel developed by the Navy. JP-5 is a specifically refined type of kerosene consisting of C9-C16 paraffins (53%), cycloparaffins (31%), aromatics …
Strange white flash in a dark room - II - Physics Forums
Sep 23, 2010 · The flash is just as bright as sunlight at daytime. The room (kitchen) is in the second floor and is in connection to the living room. The room has a new kitchen now, but …
Debunking the Myth: Do LED Lights Flicker? Get the Definitive …
May 21, 2020 · I was in disagreement with my dad about this and hoped that someone could provide a definitive answer. My take was that a LED driven by a rectified DC power supply will …
How Does a Grenade's Shockwave Cause Fatal Injuries?
Oct 6, 2008 · Stun grenades, or "flash bang" grenades, operate on this principle. They produce a large blast but almost no shrapnel. The noise and brightness of the flash are very disorienting, …
Removing the flash hider from the C93 (HK93 clone) - calguns.net
Removing the flash hider from the C93 (HK93 clone) So, just got around to doing this article and felt the need to post it here. It's on how to remove the flash hider from the muzzle of Century …
Boyle's flask - really? how? and what if? - Physics Forums
Oct 22, 2012 · yes, a perpetual motion question: Can Boyle's Flask actually produce perpetual motion? - i have read much debate on the subject. If so what i would like to know is: why can it …
The temperature at which flesh burns - Physics Forums
Jun 15, 2016 · Complete combustion of around 75kgs of material in a few seconds is an explosion. If this is an ET vulnerable to fire, then just pick the flash point for the material …
Question on the speed of light. - Physics Forums
May 27, 2008 · Homework Statement An observer sees a lightning flash from a distant thunderstorm and 12 seconds later hears the second. If the temperature of the air is 20 …