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 ...

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 ...

Picture a reclusive man, dripping sweat all night in a dark lab, illuminated only by crackling sparks that leap from enormous machines and cast a purple glow across his face. This is Nikola Tesla, the ...

If you’ve never seen a Tesla coil in person, it’s a remarkable experience. Purple plasma flashes in unpredictable, wide-reaching bolts. The sound cracks with more fearsomeness than a whip. The air ...

Tesla coils are electrically satisfying in so many ways. But what happens when a guitar-playing city coil has a run-in with a backwoods, banjo-playing, inbred coil? A musical duel to the death! Watch ...

Nikola Tesla was a visionary thinker, making experiments which still aren't fully understood today. But even the inventor of AC current wouldn't have foreseen this Flash Gordon style wireless 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 ...