2 papers
physics.ed-ph2025
Science of a coffee cup: a physicist walks into a bar...
Aleksi Bossart, Romain Fleury, Benjamin Apffel
... and annoys everyone with unsolicited experiments. The present paper proposes a short pedagogical review of the various phenomena that can be observed in a coffee cup with littl…
physics.flu-dyn2024
Motion of a floating sphere pulled by a string and induced flows
Benjamin Apffel, Romain Fleury
We study in this article the motion of a floating ball attached to a soft string set in circular motion through its other end. Although simple, the system exhibits rich dynamics th…