Measuring sound

Thread Starter

magnet18

Joined Dec 22, 2010
1,227
A spark-as-speaker demo. I don't recall if they were collecting any data, or just doing show-and-tell.
It was probably a show and tell, from what Ive read, these tend to be used a lot for publicity.
Some companies with cash to throw around will set one up to ionize helium to prevent creation of ozone.

ps: I don't accept friend requests or anything else off-forum. Don't take it personally.
I understand.
Ive just kind made it a habit to shoot a request to those who show interest in anything I'm working on.
No skin off my teeth :rolleyes:
 
Top