Get a whole year of CuriosityStream for just $14.99 by going to https://curiositystream.com/stevemould and using the promo code stevemould at checkout. Check out Seb's video here: https://www.youtube.com/watch?v=tjAZbo0jb8Q Check out Igor's video here: https://www.youtube.com/watch?v=nNn-9LiNikQ You can buy my "We're all outside an aeroplane now and it's not that cold" t-shirt from here: https://mathsgear.co.uk/products/its-not-that-cold-t-shirt You can watch the origin of that joke here: https://www.youtube.com/watch?v=C91gKuxutTU This video was the result of me not wanting to trust my intuition about the above video from Igor. My first thought was that it was fake but I wanted to know for sure! You can buy my books here: https://stevemould.com/books You can support me on Patreon here: https://www.patreon.com/stevemould just like these amazing people: Joseph Galliera Nathan Williams Matthew Cocke Glenn Watson Mark Brouwer Joseph Rocca Joël van der Loo Doug Peterson Yuh Saito Rashid Al M 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/