Thanh Hai Ⓜ️🎩
@thanhhai07
gm (good math!) https://www.brunogavranovic.com/posts/2022-02-10-optics-vs-lenses-operationally.html
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Nguyễn Lý 🎭🎭
@nguyenly
A-ha! You have a special talent and a great vision. 1 👏
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