But this DIY Tesla coil build might just manage to deliver on all three. Cheap? [Jay Bowles]’ Tesla coil is based on a handheld bug zapper that you can find for a couple of bucks, or borrow ...

Some say up to 95% efficient, in fact! It’s not something most Tesla coil fans are concerned with, but it’s nice to save the environment while making fun happy sparks, after all. [Zach]’s ...

Experience the raw power of 3 Tesla coils in action! Watch as they discharge electric currents in stunning slow motion, ...

If you make it into a channel ... The second thing is, it is a frequency transformer. Tesla, with the Tesla coil, changes one frequency to another frequency. What we are doing up there, we ...

particularly the Tesla Coil (originally called Tesla Oscillator) – a high frequency oscillator that enabled the inventor to conduct a series of revolutionary experiments including wireless ...