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1980techguy t1_j1b5we1 wrote on December 23, 2022 at 12:24 AM

Reply to comment by M3at_Waffle in Blu-ray player gathering dust? Turn it into a laser-scanning microscope | Not as powerful as a commerical one, but thousands cheaper. by chrisdh79

That laser microphone demo is wild.

SwitchRoute t1_j1bi6yz wrote on December 23, 2022 at 1:59 AM

Spy craft has used laser beam mics..

https://en.m.wikipedia.org/wiki/Laser_microphone

1980techguy t1_j1bn0gn wrote on December 23, 2022 at 2:37 AM

I was aware of this, but to DIY one with a common bluray drive is pretty dope.

BrandoLoudly t1_j1eys2j wrote on December 23, 2022 at 8:36 PM

Was thinking ‘I’ll just watch this and build me one’. Expert DIY discovered nope

absenceofheat t1_j1cdhz5 wrote on December 23, 2022 at 6:40 AM

Fisher?

ImPeachMint t1_j1dplaz wrote on December 23, 2022 at 3:27 PM

Hoo boy, you'd like what IFOS (intelligent fiber optic systems) is up to.