Looking for a neat trick to do with your Tesla coil? [The Action Lab] uses his coil to make a metal plasma — in particular, sodium. You can see the results in the video below. To create a metal plasma ...

The ancient Greek god Zeus was said to be able to throw lightning bolts; Nikola Tesla emulated this with his Tesla coil design on a grand scale. But is this device a great invention, a novelty or just ...

When our ears resolve spatial information, we do so at the higher treble frequencies rather than the bass. Thus when setting up your home cinema you can put the subwoofer almost anywhere, but the main ...

Tesla coils are super cool. But while most of us will only encounter the archaic contraptions in museums, if you’ve got some pluck, you can use a portable version to generate your own lightning storms ...