The popularity of physics and technology is low today in the schools. Even though there is so much interresting entertaining things people can do at home. Well, why not build a ray gun or a fusion reactor. It´s often both educational and fun. In some rare moments pepole will remember you. If not as the wild neigbour that smoke always came out from the garage, in some occations the stuff maybe not brake down in pieces and you could make some business out of it.


Magnetic water what magnetic fields can do to water

Tesla coil  sparks and arcs

Diamagnetism  how to make something hover in the air

A very simple vacuum diode   electrons  in vacuum

Cathode ray tube.   A simple electron gun.

Brownian motion. Evidence of the  atom

Anodization of aluminum, a simple procedure to get a hard protecting surface.

Atom heart mother. Version 2005.