8 Dec 2021 7:42 am
Pengwin » 08 Dec 2021, 8:38 am » wrote: ↑ Is sound no matter if some living thing is there or not...
The recorder just allows us to "hear" back in time. The same with a film camera. The tree "fell" even if no one was there to "see" it fall.
Yes...we can see the evidence of a fallen tree. But no sound if no one was there.