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Thumbnail of World's Lightest Solid!

World's Lightest Solid!

Published 68 days 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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Thumbnail of Teleoperation of RC car from inside a cylindrical dome

Teleoperation of RC car from inside a cylindrical dome

Published 25 days ago in Technology. Submitted by manro

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

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

Published 193 days 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.

Thumbnail of Britain's Largest Battery Is Actually A Lake

Britain's Largest Battery Is Actually A Lake

Published 52 days ago in Technology. Submitted by sux2bu

Dinorwig Power Station, otherwise known as Electric Mountain, is a pumped-storage hydro station in Llanberis, Wales. And yes: it's Britain's largest battery. Here's how it works.

Thumbnail of Keaton Music Typewriter Demo

Keaton Music Typewriter Demo

Published 182 days ago in Technology. Submitted by ringmaster

More info here: https://www.boredpanda.com/keaton-music-typewriter/