What do you do when you find a 5 kW transmitting tube in your local electronics store? If you are [TannerTech], you build a vacuum tube tesla coil. This isn’t the usual little wimpy coil, but a big ...

[xellers] may have been in 8th grade when he built this vacuum tube tesla coil, but he did a fantastic job. Unlike most of the tesla coils we have shown, this one doesn’t use a high current ...

Who doesn’t want their own Tesla coil? Particularly if you can get one that isn’t incredibly dangerous or expensive to build. Well, this electrical savant built one in the 8th grade using vacuum tubes ...

This “pancake” inductor wound with copper tubing forms the primary of the Tesla coil. The heavy black wire connects to an adjustable “tap” that allows tuning of the primary circuit. The elevated ...

Luke has been touching up tech, and writing, for over a decade across FHM, Stuff, T3 and Shortlist to name a few. With an MA and NCTJs in journalism and an unquenchable love of gadgets, no tech ...

This wonderful vacuum tube chess set, by maker Paul Fryer, actually has electricity running inside the board so that the tubes can draw power and glow as you move them from square to square. It is ...

Created by Paul Fryer last year, this "Chess Set for Tesla" takes 32 working vacuum tubes and turns them into chess pieces. Each tube slots into a port on the custom board, lighting up to show their ...

A vacuum tube is just that: a glass tube surrounding a vacuum (an area from which all gases have been removed). What makes it interesting is that when electrical contacts are put on the ends, you can ...

IN THE AGE OFwireless speakers and Bluetooth streaming, vacuum-tube amplifiers may seem antiquated, but you don’t have to be an audio nerd to appreciate their appeal. Designed to power traditional ...