Taken together, these works show how liquid conductors may pave the way for breathable, integrated devices for next generation, skin-like electronics. In two independent studies published in Nature Materials, Rebecca Kramer-Bottiglio and colleagues 1 and Zijian Zheng and colleagues 2 report approaches that utilize liquid-metal networks to achieve highly conductive, ultra-stretchable, and mechanically robust electronics. In order to win clean and sustainable energy from nuclear fusion, researchers need to. To overcome this challenge, what if we could replace solid electronic materials like copper with something completely different: liquids. Liquid metal layer protects fusion reactor wall against incredible heat. But as we move toward a technologically immersive world where electronics and robots are worn and interact with humans, suddenly we are confronted with a problem: conventional electronics are rigid, inextensible, and flat whereas humans are soft, stretchable, and curved. A liquid metal is a metal or a metal alloy which is liquid at or near room temperature. Inside an electronic device, the properties of silicon and other familiar materials seem to enable everything one could want: speed, precision, power. The fluidic and metallic properties of room temperature liquid metal alloys have attracted numerous studies, in which they are incorporated as microfluidic-based stretchable conductors for soft and reconfigurable electronics,1,2 and cooling fluids for miniature electronics.3,4 To serve these purposes, EGaIn (75 gallium and 25 indium by weight).
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