Tesla coils are awesome. But if you’ve ever built one, you know how tedious winding the secondary coil is. So [Krux] decided to build a machine to do it for him. He’s currently working on his ...

We’ve all seen a million videos online with singing Tesla coils doing their thang. [Zach Armstrong] wasn’t content to just watch, though. He went out and built one himself! Even better ...

The device has a primary coil which passes a current onto a secondary coil, creating a high voltage and low current, which ...

Learn how to build a Tesla coil using inexpensive high-voltage generators and Lego, creating stunning plasma arcs without complex circuits. This Lego Technic MOC includes the primary coil, secondary ...