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Curling ice is covered in tiny frozen bumps
HERE’S THE INTERESTING PART
You might think Olympic curlers are sliding granite across a perfectly smooth rink, but you would be drastically wrong. The surface is explicitly sprayed with water droplets that freeze into tiny bumps known as pebble. Without this textured layer, the heavy stones would just suction onto the ice and refuse to move, making an already baffling event completely unwatchable.
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