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[–]Alan_Crowe[S] 3 insightful - 2 fun3 insightful - 1 fun4 insightful - 2 fun -  (1 child)

This video does amazing things with involutes, working in an "applied maths"/"19th Century non-rigorous style".

[–]AXXA 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

Thanks for posting this video. Looking at it geometrically makes it easier for me to understand.