Re: Bach with sparks!
This set me wondering .....
Could you modulate the arc of an electric welder as you ran a bead along, then hear a -- probably weak and scratchy -- reproduction of the original sound by running the corner of a plastic £10 note, or some similar acoustic diaphragm type device along it?
__________________
If I have seen further than others, it is because I was standing on a pile of failed experiments.
|