Moire patterns reveal hidden images

May. 26th, 2010 06:57 pm
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Date: 2010-05-27 03:16 am (UTC)
From: [identity profile] maradydd.livejournal.com
Neat. Reminds me of the visual-crypto stuff that some electronic voting systems use as vote receipts.

Date: 2010-05-27 05:39 am (UTC)
From: [identity profile] djdigit.livejournal.com
That's really cool!
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February 2011

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