this post was submitted on 29 Apr 2025
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pushes glasses up nose well actually,
Radiowaves are electromagnetic radiation (like visible light and microwaves). Sound waves are kinetic motion between air molecules. Your music radio is receiving electromagnetic waves and converting to sound waves through the radio speakers.
I'm not a biologist or a linguist but I think its perfectly reasonable to call a device that captures inaudible sound a radio. But it is different than your music radio.
Huh. Mind blown. I guess that explains why a regular phone with radio capabilities couldn't pick up the bat calls without an extra device.
I do recall we had to point the "radios" at the source we were trying to capture, so I guess it's a sonar of sorts?