The first 100 people to use code SCIENCE at the link below will get 60% off of Incogni: https://incogni.com/science This spiral pump uses air lock to push water to great hights. Here's Johnathan Deane's paper on the subject: https://openresearch.surrey.ac.uk/esploro/outputs/journalArticle/A-hydrostatic-model-of-the-Wirtz/99515507702346 Here's my water solving mazes video: https://www.youtube.com/watch?v=81ebWToAnvA Additional filming by Geronimo James 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: Alex Hackman Glenn Sugden Tj Steyn Pavel Dubov Lizzy and Jack Jeremy Cole Brendan Williams 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/