Brain Controlled Game
If you’re a fan of biometrics this game is for you. It uses a homemade EEG to facilitate simple control. This is along the same lines as the Force Trainer hacks but this homebrew hardware is fun to look at. The success of the project can be seen in the video of a simple game they developed.

RF Camera Remote
[Jonny] wanted to trigger his Nikon camera remotely but was unhappy with the functionality of the IR remote. He hacked together an RF remote and receiver that still uses the IR functionality of the camera, but…

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[Tim Williams] made his own induction furnace. A copper tubing coil forms the primary winding, as the material to be heated becomes the short circuited secondary. The load material is subject to high power magnetic fields operating at radio frequency. The rapidly changing field induces current flow within the material, creating a great deal of heat. The brute power required a cooling system to match. In the video below, the induction furnace can be seen melting common table salt.

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