3 ms·
The laser on a hotel window experiment comes to mind.
by devmor 8mo ago
The laser on a hotel window experiment comes to mind.
- srean 8mo agoOr an adapted Theremin https://en.wikipedia.org/wiki/The_Thing_(listening_device) https://en.wikipedia.org/wiki/The_Thing_(listening_device)
- spyder 8mo agowith a high speed camera any vibrating reflective object like a potato chips bag can become a weak microphone if you have line of sight even behind a soundproof window: https://www.youtube.com/watch?v=FKXOucXB4a8 https://www.youtube.com/watch?v=FKXOucXB4a8