Scientists have developed a new hydrogel that stretches and contracts just like an artificial muscle. The team created an L-shaped object made out of the hydrogel and immersed it in a water bath. When the water’s temperature was varied, it slowly "walked" forward.
.. Continue Reading Temperature-controlled hydrogel can walkSection: Science
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from Gizmag Emerging Technology Magazine http://ift.tt/1IWlssM
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