Daniel Bonn
Professor of physics at the University of Amsterdam specializing in friction and ice physics who described experiments measuring ice friction across wide temperature ranges and discussed implications for skating and frictional heating.
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Feb 20, 2026 • 16min
The surprising enigma of slippery ice
Paulina Rowińska, science journalist who explains competing theories. Daniel Bonn, physics professor who measures ice friction and skating implications. Martin Müser, theoretical physicist who studies surface disorder and proposed the amorphous-layer idea. They discuss pressure-melting limits, frictional heating across temperatures, thin pre-melt layers, and a new amorphization hypothesis as a possible slipperiness winner.
