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Here's a video that explains why ice cubes fracture when placed in drinks. It's due to a "common phenomenon" known as differential expansion. Watch a guy with Einstein hair describe how the differences in temperature cause the ice to heat up and expand. How can you prevent the fracturing? Go, watch:
Video: Why Do Ice Cubes Crack in Drinks?
· Why Do Ice Cubes Crack in Drinks [YouTube]
· All Ice Coverage on Eater [-E-]