Super jelly hydrogel can survive being run over by a car completely recovering to its original shape even though it’s 80% water
"you’d think it would burst apart like a water balloon... but acts like an ultra-hard, shatterproof glass when compressed, despite its high water content... non-water portion of the material is a network of polymers held together by reversible on/off interactions that control the material’s mechanical properties. This is the first time... potential applications, including soft robotics, bioelectronics or even as a cartilage replacement for biomedical use"
Related: Research team develops metamaterial to enable real-time shape and property control
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