Handheld CNC router: https://shapertools.com/

Rubber band thermodynamics: https://en.wikipedia.org/wiki/Rubber_...
Rubber band bicycle wheel:    • The Rubber Band Heat Engine  


Thermal camera in this video: Opgal ThermApp 25Hz:
http://www.thermapp.com/ Let me know if you're interested in seeing more detail about this device in a future video.

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