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A switchable coating is developed by Jiaxi Cui and co‐workers in article number 2000870 for controlling indoor temperature. In the transparent solid state, the coating allows sunlight permeation to induce solar heating to raise the ambient temperature in winter. After being alternated into the porous state, the coating can achieve efficient solar reflection and long‐wave infrared emission to induce a sub‐ambient temperature drop in summer.

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Crystalline RuSe2 nanoparticles were firstly utilized as a pseudocapacitive electrode material for supercapacitors, and superior capacitive behaviors were observed.

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