World's Lightest Solid!

Published 32 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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Street artist in Venice

Published 33 days ago in Other. Submitted by manro

• 959 views
• 7 comments
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AUNTIE FEE POKE CHOPS AND GRAVY

Published 33 days ago in Other. Submitted by manro

• 547 views
• 8 comments
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Best Animal News Bloopers Compilation 2018

Published 34 days ago in Compilations. Submitted by ringmaster

• 984 views
• 4 comments
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Why V4 engines are so rare and which cars use them

Published 34 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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