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Retrieved on: 2018-01-31 22:15:00
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<div>A tiny chess king, 3D-printed with a temperature-responsive hydrogel, in cold water. It contains 73 percent water but remains solid.Photo credit: Daehoon Han/Rutgers University–New BrunswickRutgers engineers have invented a “4D printing” method for a smart gel that could lead to the development of ...</div>
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