Chemists have developed a nanomaterial that they can trigger to shape shift – from flat sheets to tubes and back to sheets again – in a controllable fashion. The nanomaterial, which in sheet form is 10,000 times thinner than the width of a human hair, is made of synthetic collagen.
https://ift.tt/2NoGaRD via /r/science https://ift.tt/35UagT6
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