Category: Educational

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Superfluid helium

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Helium becomes superfluid and displays amazing properties. To address all the comments about helium "running out": Most helium on earth is the result of radioactive decay (alpha particle emission and electron captu...

Cool Sound and Water Experiment

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Michio Kaku Explains String Theory

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Theoretical physicist Michio Kaku explains the basics of String Theory in this clip from his Floating University lecture.

Sushi Bar Etiquette

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Uploaded on Mar 31, 2007 A spoofy look at the traditions at a sushi bar.

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