Can you really use a pencil to replace the inside of a spark plug? One intrepid group of experimenters decided to find out ...

Spark plugs might sound small and inconsequential, but neglecting to change them can have serious and expensive repercussions ...

Spark plugs are a key component of your gasoline engine, and they have a key role in the ignition process. How long can you expect them to last?

Read a good spark plug lately? We hope so, for your engine's sake. But spark plug reading—the traditional way to check your fuel mixture and monitor other vital conditions in the combustion chamber ...

The modern HEMI V8 isn't a hemi engine in the true sense of the word, and it uses two spark plugs per cylinder instead of one ...

Smart plugs and outlet timers can both run devices on a schedule, but one becomes much more useful once your needs get a little bigger at home.

In the middle of the 20th century, the atom was all the rage. Radiation was the shiny new solution to everything while being similarly poorly understood by the general public and a great deal of those ...

Smart plugs are an easy way to upgrade basic appliances, and some of the most practical examples are already sitting in your ...

Plugs where one blade is wider than the other can be annoying, but they'll also keep you a lot safer. Here's why they're like that and how it works.

Before you plug in every appliance in your home, know the risky ones. These common device categories can overload smart plugs or create safety issues.