Tinkering With the Tin Man

Nov 9, 2012 by

Have you ever used plasticine? It’s a modeling material used by sculptors and children to push and shape into three-dimensional...

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Living in a Feed-Back Loop

Sep 15, 2010 by

The scorpion looks like a careful construction by the best engineers. What a treat to see it lifting its tail and hold its ground as...

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