木々の葉っぱは常識的には緑である。 だが色という存在そのものが光の反射なので、元々万物の色は透明（自由自在）である。そこに色素が（電荷と光子の相互作用によって）特定の光を食べて反射して、色となる。 そして葉っぱの場合は、 […]
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