Description
布朗运动是原子和分子的第一个直观证据。爱因斯坦通过观察微小颗粒的无规则运动，证明了原子的质量是可以直接计算出来的。
轴/译：@贰鼠
Everyone should see this experiment for themselves - 2024/03/01
https://www.youtube.com/watch?v=ZNzoTGv_XiQ
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