2019-03-11, 21:00
You Can Power a Calculator With Some LEDs
LEDs generate light, which is why they're in our screens. But if you instead shine a light on an LED, you can generate current to run a small device.
https://www.wired.com/story/you-can-powe...-some-leds
LEDs generate light, which is why they're in our screens. But if you instead shine a light on an LED, you can generate current to run a small device.
https://www.wired.com/story/you-can-powe...-some-leds