* A “perpetual machine” or “perpetual motion machine” is a mechanism that keeps moving unendingly with, allegedly, no input of energy.
* Since this is physically impossible, anyone saying they have devised such a machine is greeted with skepticism.
* Careful analysis of such machines always reveal either
* They don’t actually keep moving forever
* They have an internal power source, so they don’t actually keep moving forever
* They have an external power source, so they have an input of energy.
* Videos on social media of such things fall into a few categories
* Genuine videos of devices whose inventor is unaware that they’ve “cheated” somehow, by including an internal or external power source
* Genuine videos of fake devices, which have a power source that’s kept carefully off-camera
* Faked videos, using video editing or similar to make the motion seem perpetual.
* Since perpetual motion machine don’t actually exist, it’s not possible for them to replace batteries or any other power source.
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