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01/14/2007 Archived Entry: "Heated Coffee In A Can"

*sings sotto voce* "Heated coffee in a can, doo-dah, doo-dah....." Michael Pusateri has done a lot of taste tests and demos with photos in his Cruftbox weblog -- Spam Turkey, How to Brine a Turkey, even the Turduck(h)en. Now he's checking out self-heating cans of coffee-like beverages. "The simple reaction is water and quicklime. Quicklime is calcium oxide and the addition of water causes a exothermic (heat producing) reaction. The result is slaked lime (calcium hydroxide) which is a component of mortar in cement. Not exactly health food, but not deadly poison to be near your drink." I've linked to Cruftbox before.

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