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dowakin
on March 30, 2023
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How to draw dotted lines on chalkboards, MIT style...
Check out explanation by Walter Lewin
https://www.youtube.com/watch?v=GhawwXcQsUs
sslalready
on March 30, 2023
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I was surprised there was no mention of him in the text. There's more of him on YouTube:
https://www.youtube.com/results?search_query=walter+lewin+do...
jacobkg
on March 30, 2023
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If I recall correctly, Walter Lewin could also freehand draw perfect circles on the chalkboard
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