The BBC Sound Effects library has thousands of clips available for free. Pretty cool. Linking because maybe one day for some random reason I will have a need for it.

This is a really beautiful explanation with interactive visualization of how sound works. It’s a bit basic for anyone with an engineering degree but I still got a kick out of it since it’s so nicely done.

This looks just like the thing the Mossad would use. I wouldn't have thought this were possible.

I would love to see this live.