Check this out!

[cayocosta]

http://home.earthlink.net/~lenyr/index.html

 

[tubejay]

Nice, home brew triodes...now that would be fun...errr scary to try. I like the sound sent on a modulated flashlight beam.

 

[BradAvenson]

Wow, I wasted almost an hour reading about high pressure air powered spud guns. I won't link it here to save the rest of you.

(I shouldn't complain it was interesting :wink: )