March 23, 2012

The Big Enigma #3: Dice Arrows

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Quick. Grab a pencil. Some crayons. A notepad. Wrap your brain around this Friday’s Big Enigma from Ivan Moscovitch’s The Big Book of Brain Games.

Share a photo of your solution in the comments thread. Brag about how you arrived at it. Argue with others over whose solution is more elegant . . . Take it away, folks!

The most surprising and impactful new stories delivered to your inbox every week, for free.

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8 min

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with

Derek Thompson

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How fast does planet Earth move through space?

It rotates on its axis, revolves around the Sun, moves throughout the Milky Way, and gets carried by our galaxy all throughout space.

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