Tesla coils are beautiful examples of high voltage hardware, throwing sparks and teaching us about all kinds of fancy phenomena. They can also be quite intimidating to build. [William Fraser ...

Tesla coil is very strong radio transmitter, and 1.7MHz is not free to use. It is above MW broadcast band and bellow amateur 160m band, in the area used by various coast guards which won’t be happy.

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. Ne Zha 2 official trailer What to ...