18 Dec 2013 shimniok   » (Journeyer)

Check this out: Muscle wire

Have you heard of muscle wire?

It contracts when you pass current through it, heating it up, and returns to its original length when it cools.

It's made of shape memory alloy called Nitinol which undergoes a "reversible solid-state phase transformation known as a martensitic transformation" [Source: Wikipedia].

Have you used it? Post up your projects in the comments.

Syndicated 2013-12-18 17:00:00 from Michael Shimniok

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