Prove πR² using only beads and a ruler! via Minutephysics.

(Proof source)

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• math
• geometry

This visualization shows ocean surface currents around the world during the period from June 2005 through December 2007. The visualization does not include a narration or annotations; the goal was to use ocean flow data to create a simple, visceral experience.

More info and download here (NASA/Goddard Space Flight Center, Scientific Visualization Studio)

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• geoscience
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• computing

Ever wonder how Einstein proved E=mc²? This is how.

Via Minutephysics:

Google+ - http://bit.ly/qzEwc6 
Facebook - http://facebook.com/minutephysics
Twitter - @minutephysics

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Doodling in Math Class: Infinity Elephants.

Amazing site from the mathemusician Victoria Hart. Well worth to take a look: vihart.com

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• math
• video

A brief intro to the current theory of (almost) everything, the Standard Model of particle physics.

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• cosmology
• particle physics
• physics
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Awesome RC model flying DeLorean Time Machine from the movie “Back to the Future”.

(Found through Contando Estrelas -in Spanish)

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• humor
• physics
• engineering
• video