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Originally Posted by Rodney
As for how they measure the calories: they literally burn the food, then measure the heat released.
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Really? That thought did occur but I thought it can't be how it's done. So they'll take a ready-meal and torch it ? How do they measure the heat released, with a thermometer ?
I'm just really curious for the sake of it. it's one of those things that's been at the back of my mind for years.....