Any idea where to find a 'constant' temperature material?

RobertMacy · 2014-06-10T02:57:42+00:00

The material is sealed inside something and 'transitions' between physical states. Probably between liquid and solid. A good example is waterice that can 'hold' a temperature at 0C. But the problem is I need a different temperature. Many years ago on the Johnny Carson Show an inventor demonstrated a 'constant' temperature cup to Johnny. The inventor poured scalding hot coffee into the cup, Johnny was amazed that the coffee was a perfect hot, no longer scalding. after talking a bit, he took another sip and remarked how the coffee was still perfectly hot, at that first temp and had not cooled at all!. The guy said the mug is lined with material that changes state at some temp so the coffee stays at that temp. He went on to say, that the mug was going to be made available in 'selectable' temperatures to match individual preferences! Does anybody know of a source for these types of materials? The inventor's name? Any help here appreciated.

Jun 10, 2014 40 Replies

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Robert Baer 12 years ago

For hydrates, it is a phase change.

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Any idea where to find a 'constant' temperature material?

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