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Friday, 21 January 2011
Machine balances pencil on its tip - Boing Boing
http://www.boingboing.net/2011/01/21/machine-balances-pen.html
2 comments:
Peter S
22 January 2011 at 05:04
Neat!
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John Bush
22 January 2011 at 06:15
That's a really smart piece of work.
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Neat!
ReplyDeleteThat's a really smart piece of work.
ReplyDelete