The holes on the prongs of your electrical plugs may look random, but there's a clear reason they were created and why they ...

close up of Type A plug prongs - Gabriel Lopez/Shutterstock If you've ever stared at the holes in an electrical plug and wondered why they exist, you're not alone. Like an industrial-age kōan, the ...

There are four types of electric car charging plugs in North America. Each plug is compatible with different electric vehicles as well as capable of providing a certain amount of power. Just like how ...