Get your first month of KiwiCo free: https://kiwico.com/stevemould I love string shooters because they behave so counterintuitively. I was able to get hold of this prototype and make a few modifications to try and explain why the string does what it does! You can discuss this video on REDDIT: https://stvmld.com/8s-_c-_8 You can pre-order the zipstring here: https://zipstring.com/ Mehdi's final video on the Chain Fountain is here: https://www.youtube.com/watch?v=ExMU6EN7uQU The Chain Fountain playlist is here:    • Chain fountain playlist   Bruce Yeany's string shooter video is here: https://www.youtube.com/watch?v=rffAjZPmkuU Here are the two videos I've made about impedance mismatch: https://www.youtube.com/watch?v=AzZ7DjS4ti4 https://www.youtube.com/watch?v=geSDcollRos I got the gyroscope from here: https://www.gyroscope.com/ 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: Alan Wilderland Frank Hereford Will Ackerly Brendan Williams Matthew Cocke Frederic Merizen Joel Van der loo Glenn Watson Doug Peterson Paul Warelis John Zelinka Alnitak Grant Hay Heather Liu Marshall Fitzpatrik Lukas Biewalk JJ Masson Ben McIntosh Damien Szerszinski 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/