In the 90s, and up until cell phone cameras were a big thing, I remember some family members having cameras with rather large flash modules on top and it would make a weird noise once the flash goes off after taking a picture. Some smaller flash capable cameras would make the sound also.
In: Technology
Capacitator inside charging.
Light is energy.
Sound is energy.
Energy can not move without energy loss.
Sound is energy being lost.
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