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A variable stiffness fiber made of silicone and low melting point alloys quickly becomes >700 times softer and >400 times more deformable when heated above 62 °C. It shows remarkable self-healing properties and can be clamped, knitted, and bonded, as shown in a foldable multi-purpose drone, a wearable cast for bone injuries, and a soft multi-directional actuator
Yves Perriard, Yoan René Cyrille Civet, Stefania Maria Aliki Konstantinidi, Bhawnath Tiwari, Simon Holzer