Who knew you’d have to remember anything about high school chemistry to know why your white board is so dirty? Now if I could only find out how it ends up on my hands and clothes…
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https://youtu.be/YxTWLuBtwJw?si=2EbsD9Cm_x9qsqtR In high school Trigonometry, I first learned this formula. It's quite amazing that this can be derived from the Law of Cosines. You can compute...
https://youtu.be/f0DEN7ooXRo?si=R4bbGw-1aXNOLH77