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A comment on Zeolite retains heat indefinitely, absorbs 4x more heat than water. Parent comment

Re:Zeolite retains heat indefinitely, absorbs 4x more heat t... by xutopia on Thursday June 07, 2012 @09:37AM (#4078935)
It's most likely unwieldy. Sometimes you can cause the exothermic effect to occur without you wanting it by a vibration or shock.
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