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 role of J.P. Morgan in getting Tesla's Tower built. The fundamental operation of a Tesla coil. Dealing with EMI generated by a Tesla coil. When I lived in Long Island, N.Y., I had a most ...