The 56-Year Argument About a Hopping Hoop

Thank you to BetterHelp for sponsoring this video! To get 10% off your first month of therapy, go to to sign up today. If you are need of urgent mental health support please check for crisis help lines available in your country. USA: UK: Plus if you are in Europe you can search Mental Health Europe: Check out Ben’s Hopping Hoop Geogebra file: Thanks to Lisa Mather for making the hopping hoops for me. And an extra shout-out to Joel Tatarek-Gintowt for modelling and 3D printing the ball bearing casement. Here are all the papers mentioned: A Mathematicians Miscellany (1953) by John Littlewood The Hopping Hoop (1997) by Tadashi F. Toki