Transforming metals could make planes lighter and more fuel-efficient.

Grist
By Amelia UrryDec 4, 2017, 4:53 pm209 pts
The tech is called “shape memory alloy” and it lets metal objects assume different shapes without all the motors, cables, and gear needed to move, say, a wing flap from take-off to cruising position. It works through heat: At precise temperatures, the metal alloy part assumes different shapes. And on an…

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