Tesla coils are one of those builds that capture the interest of almost anybody passing by. For the naïve constructor, they look simple enough, but they can be finicky beasts—beasts that can bite if ...

The folks who successfully crowdfunded a DIY singing Tesla coil kit last year have taken to Kickstarter again to bring a smaller version into production. Like its older and bigger brother, the ...

To investigate the electrical realm of high-frequency and high-voltage, Tesla invented an apparatus that pushed the limits of electrical understanding. None of the circuit's typical components were ...

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 ...

The Tesla coil is a resonant transformer that generates AC electric fields that can power fluorescent lights and neon tubes, as well as produce high-voltage arcs. It is essentially structured as a ...

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 ...

Electric current is often magic and mysterious. Before people knew about electricity, many natural phenomena appeared as supernatural events caused by angry gods. Fortunately people today know physics ...