How diodes, LEDs and solar panels work

Published 114 days ago in Technology. Submitted by sux2bu

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Britain's Largest Battery Is Actually A Lake

Published 134 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.

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Gesture controlled touchscreen calculator watch

Published 148 days ago in Technology. Submitted by manro

Guess the year?

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World's Lightest Solid!

Published 151 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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Why V4 engines are so rare and which cars use them

Published 153 days ago in Technology. Submitted by sux2bu

The V4 engine is such a rare layout in a road car, being found predominantly instead in motorcycles.
Mike has investigated how the V4 engine works and why it is so rare, as well as researching the ultimate use of this rare engine, the Porsche 919 Hybrid LMP1 car. 720bhp from a …
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