Caustic lenses are really weird

Get 100 free blades here: https://hensonshaving.com/stevemould when you buy a Henson razor with code stevemould Sometimes called caustics or free form lenses, these objects use clever maths to move light around to make images. Check out my video about Penrose Unilluminable Room: https://youtu.be/x3VluzZTReE Check out the company that made the lion lens and the fire mirror: https://rayform.ch 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 just like these amazing people: Edward Unthank Tim S Root Pavel Dubov Lizzy and Jack Jeremy Cole Brendan Williams Alan Wilderland Frank Hereford Lukas Biewald Damien Szerszinski Marshall Fitzpatrick Heather Liu Grant Hay John Zelinka Paul Warelis Matthew Cocke Nathan Blubaugh Twitter: http://twitter.com/moulds Instagram: https://www.instagram.com/stevemouldscience/ Facebook: https://www.facebook.com/stevemouldscience/ Buy nerdy maths things: http://mathsgear.co.uk