A fun little puzzle if you've not seen it before: You come across these bike tracks in the snow. Was the bike travelling to the left or the right? (I first saw a puzzle like this on Futility Closet)pic.twitter.com/gKnFupKCrU
Show this thread
-
Seems to me that it's about the phase lag between the two curves
you're probably right .. i'm having trouble visualizing this one .. maybe i should get out more
-
-
These links will help you see the tractrix: George W. Hart: https://www.simonsfoundation.org/2013/04/16/mathematical-impressions-bicycle-tracks/ … Mark Levi: https://sinews.siam.org/Details-Page/measuring-curvature-with-a-bike … https://arxiv.org/abs/1705.06314
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.