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Prove πR² using only beads and a ruler!

I first saw this proof in an article by Russell Jay Hendel, Dowling College: http://bit.ly/LQlwQw

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Oh boy, here we go again. Check out all the goods!

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In which John Green teaches you about the changes wrought by contact between the Old World and the New. John does this by exploring the totally awe...

See the super cool REMIX and SLOW MOTION Version: http://youtu.be/NXbzYEWdco0

This was so funny...these idiots playing around with a banger and a ...

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We love the comments you guys leave on our videos... well most of them. Here's a show that's all about you...

Gav has been busy with his actual job and hasn't had time to film and edit a decent video this week. This means you get the "back up" video which i...

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Phil chats up private parts with the SF ladies, while contemplating who would win in a fight: Emma Watson,...

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Philly D, Steve, and Elliot contemplate life as a SIM, why hot chicks are hot, and dish up some secret tal...

Because we got such great feedback on this video, we've posted it for your viewing pleasure one more time!

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New York City officials are proposing raising the minimum age for cigarette purchases from 18 to 21. Great ...

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The gang discusses Mac vs. PC

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A weekly show hosted by John Green, where knowledge junkies get their fix of trivia-tastic information. This week, John discusses 50 surprisingly i...

Epic 10,000 iPhone 5 Domino showcases 10,000 iPhones (that's right TEN THOUSAND iPhones) falling neatly in patterns. These CG iPhones' feature NFC...

Thanks for watching my Wednesday Show, Nation!

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I'd Rather Be Sleeping T-Shirt SALE: http...

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Yahoo buys app from teenager for 30 million dollars.

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Is male pattern baldness really passed down from your mother's father?

Written and created by Mitchell M...

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You comment. They read. Sometimes they are weird, the comments, AND the hosts.

You know the drill.

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Today's TABLETALK: http://youtu.be/0BRF_r5AuS0

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We here at SourceFed love our fans so much we decided to make a song out of some of their usernames. Enjoy!

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Bill Gates is a given, but he's not #1. Check out who else is on the list!

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Mmmmm, Bloopers. With burritos

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Jimmy Kimmel Live - Movie: The Movie: 2V

M:TM:2V - Starring: Rachel Weisz, Armie Hammer, Topher Grace, Jessica Chastain, Jude Law, Gerard Butler, ...

Haram (Pyramids) Shake at the Giza Pyramids

هرم شيك بأهرامات الجيزة - من إنتاج شركة الكتاكيت المفترسة

- Choose a higher video setting for a cleare...

Street interviews with members of the Harlem community, and their views about the popular 'Harlem Shake' video dance trend.

Filmmaker's Response Vi...

You dared us to tell the truth... or to do stuff. We did. Enjoy!

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Sony ...

Because... Why not.

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