News tagged with shape

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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Daffodils help inspire design of stable structures

In 1940, the Tacoma Narrows Bridge collapsed in dramatic fashion, twisting in the wind before it snapped and plunged into the water below. As wind blew across the span, the flow induced oscillating sideways forces that helped ...

dateMay 10, 2016 in Soft Matter
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Soft robot changes color as it grips and walks

Soft robots can bend, walk and grip. And, unlike their rigid counterparts, some can get flattened and bounce back into shape. Now scientists report a new advance in the journal ACS Applied Materials & Interfaces: a way to ...

dateOct 14, 2015 in Robotics
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