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  • 简介:EInk'smicrocapsulesarefilledwithaclearliquidthatholdsverysmallparticles.Someparticlesareblack.Somearewhite.Alloftheparticleshaveane-lectricalcharge.Tomakeasheetofelectronicpaper,engineersspreadmillionsoftheparticle-filledmicro-capsulesontoapieceofplastic.

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  • 简介:Successoftherevolutionrepresentsbutonlythefirststepinalongmarch.---MaoZedongMaoZedong’sannouncementin1949that"theChinesepeoplehavestoodup,"endedthedarkdecadesofdomesticfragmentationandforeignsubjugation,

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