❤️ Check out Weights & Biases here and sign up for a free demo: https://www.wandb.com/papers 📝 The paper "A Geometrically Consistent Viscous Fluid Solver with Two-Way Fluid-Solid Coupling" is available here: http://gamma.cs.unc.edu/ViscTwoway/ The Weights & Biases posts on the Witness (and code!) are available here: https://www.wandb.com/articles/i-trained-a-robot-to-play-the-witness https://github.com/wandb/witness My earlier video on The Witness game: https://www.youtube.com/watch?v=Ee9vF5eChhU ❤️ Watch these videos in early access on our Patreon page or join us here on YouTube: - https://www.patreon.com/TwoMinutePapers - null  🙏 We would like to thank our generous Patreon supporters who make Two Minute Papers possible: Alex Haro, Andrew Melnychuk, Angelos Evripiotis, Anthony Vdovitchenko, Brian Gilman, Bryan Learn, Christian Ahlin, Claudio Fernandes, Daniel Hasegan, Dennis Abts, Eric Haddad, Eric Martel, Evan Breznyik, Geronimo Moralez, James Watt, Javier Bustamante, John De Witt, Kaiesh Vohra, Kasia Hayden, Kjartan Olason, Levente Szabo, Lorin Atzberger, Lukas Biewald, Marcin Dukaczewski, Marten Rauschenberg, Matthias Jost,, Maurits van Mastrigt, Michael Albrecht, Michael Jensen, Nader Shakerin, Owen Campbell-Moore, Owen Skarpness, Raul Araújo da Silva, Rob Rowe, Robin Graham, Ryan Monsurate, Shawn Azman, Steef, Steve Messina, Sunil Kim, Taras Bobrovytsky, Thomas Krcmar, Torsten Reil. https://www.patreon.com/TwoMinutePapers Splash screen/thumbnail design: Felícia Fehér - http://felicia.hu/ 00:00 Physics simulations are amazing 00:30 More challenges 00:54 The new paper 01:15 Honey simulation 02:11 Even small nuances are correct 02:22 Adaptivity is hard 03:06 A new method for it Károly Zsolnai-Fehér's links: Instagram: https://www.instagram.com/twominutepapers/ Twitter: https://twitter.com/karoly_zsolnai Web: https://cg.tuwien.ac.at/~zsolnai/