Light is energy. Cameras need energy to work. A modern camera works by sensing light. This cycle has provided an elegant solution to one of our digital age’s universal problems: how to power a camera infinitely.
This Camera Is Powered by Light
Device's photodiodes capture images and also charge the power supply.
Nov 30, 2015 6:00 AMNov 14, 2019 9:33 PM
This camera is its own power source. | Computer Vision Laboratory/Columbia Engineering
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