COPPER PIPE MADE INTO A STUDIO DELAY THAT RUNS AT THE SPEED OF SOUND
14:10
BELIEVE IT OR NOT THIS IS A MUSICAL INSTRUMENT...
16:34
THE STRANGEST SPEAKER I HAVE EVER SEEN - The MegaLeslie
12:19
The Real Reason Why Analog Recording Is Better
10:28
Solar 42: A unique cinematic drone synthesizer
13:51
The BEST Mechanical Display You've EVER Seen!!!
32:30
You've probably never seen a robot move like THIS before.
9:56
Cheap PIR movement sensor and switch - with schematic
21:21