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- Day59 Khan Academy Physics & BBC Bitesize Science Everything around us - people, rocks, water, air - is made Inside every atom exists even tinier particles called electrons.
- 偉人 名言 ☞Arthur Schopenhaur(아더 쇼펜하우어)[독일 철학자, 1788-1860] 002.He makes no friend who never made a foe. ☞Albert Einstein(앨버트 아인슈타인)[미국 물리학자, 1879-1955] 004.The unleashed power of the atom has changed everyt