On Nov 18, 5:28 pm, Dave LaCourse wrote:
On Sun, 18 Nov 2007 17:12:14 -0800 (PST), riverman

wrote:
Ever boiled water in
a paper cup?

Yep. Massachusetts Junior Wildlife Conservation Camp, 1950.

I think there is a microscopic layer of water that is super heated.
Not very think and not much above the triple point. Not usually a
problem in a pan boiled on a stovetopl Sometimes it goes to extreams
if you microwave a cup of water, put a spoon in it and it boils all
over and the counter. I have taken a cup out of the microwave and
added sugar when the first grains hit the cup it practically explodes.
Thermo 201 Heat Transfer 150 - long ago. 8^O]