This short YouTube video, which runs for 0:26 was created by Dr. Michael Freudinger in 2008 to demonstrate the slow crystallization of super saturated sodium acetate. The description of the video provides an explanation for the reaction: "A single seed crystal was added to the saturated sodium Acetate solution while at 30C. Omnidirectional needle-like crystals radiated outward from the seed on contact at the solution's surface. I adjusted the chemistry of the reaction to slow it down and create a long needle like crystallization."

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Alternate Title
Hot Ice aka Super Saturated Sodium Acetate (Slow Crystallization)
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2008
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Dr. Michael Freudiger
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