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Heart-shaped eggs

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Thursday, February 24th, 2011.

How to make one like this below.

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Escher’s waterfall in real life 2

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Tuesday, February 22nd, 2011.

Yes, we know that Escher’s waterfall is amazing, and here are some articles that debunk the tricks. Click on the image to start reading. Link1. Link2.

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Turn anything into a theremin

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Thursday, February 17th, 2011.

A funny project by Jay Silver from MIT Media Labs, here to its homepage on how to make one.

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How It’s Made – Playing Cards

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Thursday, February 10th, 2011.

From the series How It’s Made.

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Some $20 gifts 05 – A gear clock

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Monday, February 7th, 2011.

Cool project by Alan Parekh, here to detailed instructions on how he made it. There is also a ready-to-build kit available at his store. Well, it is not something $20, but is definitely a cool gift for a geek. Check also other some $20 gifts here.

@ haha.nu

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Open a locked suitecase

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Monday, January 31st, 2011.

… without leaving a trace. I didn’t think it is so easy. -Vlad-

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