Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work.

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Default very interesting: Metal That Remembers Its Shape ! Video ..

for all mt friends here in the group! this is one of THE amazing thing
I have ever seen !!!

it is Nitinol!

Nitinol is a metal alloy sometimes called Shape Memory Alloy (SMA)

http://www.5min.com/Video/Nitro-Wire...ience-86564284

enjoY !!!!
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