Click here to try out Odoo today: https://www.odoo.com/r/aykZ When I was making this double decker newton's cradle I released something very strange about levers. 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 Brendan Williams Frank Hereford Lukas Biewald Heather Liu Grant Hay Paul Warelis Nathan Blubaugh 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