Λ-Reading ♡
04:34 · Feb 6, 2019 · Wed
读书摘要
✂
:
「nishuang: 钟摆波形,这次换个角度,从上往下看 #犀利而无用的知识
http://bit.ly/2WLlB1C
」
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Physics & Astronomy Zone
This Pendulum wave effect is so satisfying to watch! https://t.co/gCtrkd6kIw
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