Lord Kelvin’s Thunderstorm
Create high-voltage sparks using nothing more than falling water as the source of energy.
Copper wire
Restore a Table Lamp
We are restoring old table lamps we had so we can use them now. We took them to paint, and my parents told me they would pay me 2 dollars for each lamp I "restored" with cable, switch and connector. So they gave me money and I went to buy switches and copper cable to […]
Micro FM Transmitter
This circuit is commonly credited to Japanese multimedia artist Tetsuo Kogawa. It takes audio input through a 1/4″ phono jack and, constructed as shown, without the optional antenna connections, will broadcast an FM radio signal about 30 feet. This is the standard model of Mr. Kogawa’s simplest FM transmitter, which is slightly more complex than […]
Styrofoam Plate Speaker
Get surprisingly good sound from
disposable picnicware.
Wind Generator
With a motor and some piping, it’s easy to enjoy free energy forever.
