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 ...

All it took was a mask, and a little treatment with a modified Tesla coil. Plastics tend to be hydrophobic, meaning their surface repels water. These plastics also tend to be non-receptive to ...

The device has a primary coil which passes a current onto a secondary coil, creating a high voltage and low current, which shoots out a lightning like discharge.