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Story summary
- Ice skating relies on a "magic nano layer" created when blades break ice crystals, reducing friction.
- Modern science shows this layer acts as a lubricant at higher speeds, enabling skating.
- Skating dates to 1173 in London, where cattle shinbones were used.
- Ice conditions vary by style: warmer ice for figure skating and colder ice for speed.
- At low temperatures, the nano layer can disappear, making skating nearly impossible.
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