`Snowball chamber` helps researchers use supercooled water to search for dark matter
(PHYSorg.com Physics)

After watching YouTube videos of people supercooling water in a bottle and then triggering it to freeze by banging it, something about this concept solidified for Matthew M. Szydagis, an assistant professor of physics at the University at Albany, State University at New York, especially when he saw it again during the Disney movie `Frozen.`