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Thanks for the memories  July 26, 2012

Watch water freeze instantly as it pours

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CNET Editor

Michelle Starr is the tiger force at the core of all things. She also writes about cool stuff and apps as CNET Australia's Crave editor. But mostly the tiger force thing.

(Screenshot by Michelle Starr/CNET Australia)

Stick water in the freezer and it turns to ice — but a trick allows you to catch it right in the sweet spot so you can watch it freeze instantaneously.

Ever wanted to be a waterbender, or maybe Iceman (not to be confused with Mr Cool Ice)? A trick to freeze water instantaneously won't actually make it so, but you'll feel pretty cool.

YouTube user Grant Thompson of Random Weekend Projects has a video that shows how it's done. You need some bottles of purified water, a clock and a freezer. When you put the bottles of purified water in the freezer, the absence of impurities gives ice crystals nothing to form around, so the water can reach temperatures below freezing without solidifying.

A disturbance, though, can cause it to instantaneously freeze — bump it taking it out, and you'll have a bottle of solid ice. If you can get it that far, you can make the water freeze the instant it comes into contact with an ice crystal. It takes around two and a half hours in the freezer to get to that point, so the process is not exactly instantaneous — but the ice is.

It sounds too crazy to be true, but you can verify it for yourself by following Thompson's instructions in the video below.

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