Beautiful. A great example of ratchetin

Tim Hutton - 2013-04-23 15:13:57+0000 - Updated: 2013-04-24 09:48:53+0000

Beautiful. A great example of ratcheting.

Pearls and the Puzzle of How They Form Perfect Spheres | MIT Technology Review

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+1'd by: Jochen Fromm, Luis Guzman, Dr Nick Hammond

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