5、eofatoms(原子).ThethirdbigEinsteinworkwasonquantumtheory(量子论)oflight. Theideawasthatlightexistsastinyparticles(微粒).Thiswasthemostshockingideaintwentiethcenturyphysics: weliveinaquantumuniverse,onebuiltoutoftiny,individual(单独的)piecesofenergyandmatter. Ei