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Retrieved on: 2017-12-02 20:00:00
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<div><b>Shape memory alloys</b> are essentially reversible Shrinky Dinks. When heated to certain temperatures, they shrink, twist, and bend. Cool them off, and they return to their original shape. Hot, cold, hot—<b>shape memory alloys</b> can cycle back and forth millions of times without wearing out. All you need is the ...</div>
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