crystal

For those who have used the HDR unit first hand, what kind of Crystals have you experimented with? I have mostly used the (smaller one in the pic below) Quartz Crystal that Steven Gibbs sent me, although I'm thinking of trying out the larger one (which I found in a Crystal Cave in the higher...

Hello everyone. I was just working on my research for alternative energy sources, since I clearly need a hobby, I came across a topic known as "Crystal Batteries". Granted some of their publicity comes from a man named John Hutchison, who I have difficulty believing, but also from Rex Research...