Nature’s Optical Illusion

Sign up for Onshape and get up to 6 months of the professional version for free at https://Onshape.pro/SteveMould 3D zoetropes based on the golden ratio were first invented and designed by John Edmark. You can find his fascinating work here: https://www.johnedmark.com and on his instagram: https://www.instagram.com/john.edmark Ben Sparks's video on Numberphile: https://youtu.be/sj8Sg8qnjOg Here's where you can buy Novatropes: https://www.novatropes.com Play with my zoetrope design: http://onshape.pro/zoetrope-design . It'll say "view only", just sign in to make an editable copy. Or here's the STL file if you just want to print it: https://stevemould.com/logo-zoetrope Here's that webpage for exploring animated seed spirals: https://stevemould.com/seed-spirals You can buy my books here: https://stevemould.com/books You can support me on Patreon and get access to the exclusive Discord: https://www.patreon.com/stevemould Twitter: http://twitter.com/moulds Instagram: https://www.instagram.com/stevemouldscience/ Facebook: https://www.facebook.com/stevemouldscience/ TikTok: https://www.tiktok.com/stevemould Buy nerdy maths things: http://mathsgear.co.uk