Adel Djellouli
Experimental physicist at Harvard University whose curiosity-driven research investigates frictional phenomena, author of a paper on the physics of sneaker squeaks.
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Mar 9, 2026 • 14min
The Surprising Science Of Why Sneakers Squeak
Dr. Adel Djellouli, an experimental physicist at Harvard who studies friction, explores why basketball shoes squeak. He describes using clever lab setups to watch contact and uncover supersonic slip pulses. He links these fast ripples to earthquake-like dynamics and even tiny lightning discharges that trigger squeaks. The conversation celebrates curiosity-driven experiments and surprising cross-scale physics.
