Instant Ice Experiment

Did you know that supercooled liquids need to heat up in order to freeze into a solid? Supercooling a liquid is a really neat way of keeping the liquid a liquid below the freezing temperature. Normally, when you decrease the temperature of water below 32 degrees Fahrenheit, it turns into ice. But if you do it gently and slowly enough, it will stay a liquid, albeit a really cold one!  Are you ready?

We supercooled the water, and then triggered the crystallization (freezing) process by adding in the ice. While we’re only going to supercool it a couple of degrees, scientists can actually supercool liquid water to below -43 degrees

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