Win your Ultimate Tech Bundle by entering Fasthosts’ Techie Test here: https://www.fasthosts.co.uk/stevemould (Competition is now closed) I'm reluctant to say "gravity defying", but come on, this is cool! You can levitate a viscous liquid just by shaking it! Not only that but a buoyancy effect appears on the other side. I also show Kapitza's pendulum. Here's the playlist of videos that feature the stroboscopic effect:    • Videos featuring the stroboscopic effect   Here's the original upside down pendulum video: https://www.youtube.com/watch?v=gnn21smGVrQ David Acheson's books are here: http://academic.jesus.ox.ac.uk/dacheson/ The Kapitza pendulum paper is here: http://butikov.faculty.ifmo.ru/InvPendulumPTSE.pdf Here's the research that lead to all the nice levitation footage from Benjamin Apffel, Filip Novkoski, Antonin Eddi and Emmanuel Fort: https://arxiv.org/abs/2003.04777 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 Paul Warelis Will Ackerly 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/