简介:EInk'smicrocapsulesarefilledwithaclearliquidthatholdsverysmallparticles.Someparticlesareblack.Somearewhite.Alloftheparticleshaveane-lectricalcharge.Tomakeasheetofelectronicpaper,engineersspreadmillionsoftheparticle-filledmicro-capsulesontoapieceofplastic.
简介:Successoftherevolutionrepresentsbutonlythefirststepinalongmarch.---MaoZedongMaoZedong’sannouncementin1949that"theChinesepeoplehavestoodup,"endedthedarkdecadesofdomesticfragmentationandforeignsubjugation,