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Jul 7, 2015

The 4D Future of Stuff — By Megan Molteni Popular Science

Posted by in category: 4D printing

Ours is a world of static objects, cut, cast, or forged for specific tasks. But let’s say you opened an Ikea box, and the desk inside assembled itself. Or your water pipes shrank as the pressure decreased: no more weak showers, less wasted water. This is the 4D-printed future, and labs are already striving to make it a reality.

The tech builds on 3-D printing—with the added fourth dimension of time, across which objects transform. Skylar Tibbits, founder of MIT’s Self-Assembly Lab, coined the term “4D printing” in a 2013 TED Talk and showed how a straight plastic strand folded into the letters M, I, T when dropped in water.

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