The perfect present for my little cousins. Backed.
Yo-Yo tricks in zero gravity with NASA’s Don Pettit.
The almost daily blog of Sam.
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Yo-Yo tricks in zero gravity with NASA’s Don Pettit.
Nice video explanation of how astronomers measure the size of the universe.
(Source: vimeo.com)
The perfect present for my little cousins. Backed.
Dr Neil deGrasse Tyson’s most astounding fact.
(Source: devour.com)
Quantum levitation. Whaaaat?! There’s also a more in-depth look demonstrating double levitation and explaining some of the physics.
(Source: kottke.org)
