Why all solar panels are secretly LEDs (and all LEDs are secretly solar panels)

Published 5 years ago in Technology. Submitted by sux2bu

LEDs and solar panels are both made of diodes. A diode is just designed to allow electricity to flow in one direction but because we make them out of semiconductors they can do all these other things.

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How Its Made - 1097 Frozen French Toast

Published 4 years ago in Technology. Submitted by thundersnow

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World's Lightest Solid!

Published 5 years ago in Technology. Submitted by sux2bu

Aerogels are the world's lightest (least dense) solids. They are also excellent thermal insulators and have been used in numerous Mars missions and the Stardust comet particle-return mission. The focus of this video is silica aerogels, though graphene aerogels are now technically…
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Definition of Voltage and Current (ElectroBOOM101-002)

Published 6 years ago in Technology. Submitted by thundersnow

A super compressed history of physics, to understand how Electric Voltage and Current are defined. Hope you are not dizzy after watching this!

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Longest Pedestrian Suspension Bridge in the world. Arouca Portu

Published 2 years ago in Technology. Submitted by thundersnow

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