How Do Bumps Form in Carpets?

We’ve all had this experience: we are walking on a carpet, and we suddenly trip over an annoying bump (or “ruck”) that we didn’t know was there. So how did it form? My colleagues Alpha Lee, Clément Le Goullec, and Dominic Vella from the Mathematical Institute at University of Oxford have just posted a new paper that endeavors to explain […]

The Enigma of the Two Phonebooks, pulled apart

Here’s a reported answer to a question only old people — people old enough to know what a “telephone book” is — will understand. Here’s video of the question: And here, the suggested new answer: “The Enigma of the Two Interleaved Phonebooks,” Hector Alarcon, Thomas Salez, Christophe Poulard, Jean-Francis Bloch, Elie Raphael, Kari Dalnoki-Veress, and […]

Improbable Research