News tagged with changing shape

Explainer: What is 4-D printing?

Additive manufacturing – or 3D printing – is 30 years old this year. Today, it's found not just in industry but in households, as the price of 3D printers has fallen below US$1,000. Knowing you can print almost anything, ...

dateDec 19, 2014 in Engineering
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Shape-shifting alloys hold promise

Imagine untwisting a finger-size spring, then holding the flame from a lighter underneath the unraveled section. Like magic, it twirls itself into a spring again because the metal alloy remembered its original shape.

dateAug 27, 2013 in Condensed Matter
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