On 10/06/16 20:18, Ron Henderson wrote:
replying to Jon Danniken, Ron Henderson wrote:
It is impossible to heat water above it's boiling point. At that point it
becomes steam. Only the steam can be heated above 212°F.

You're missing the point that the boiling point of water is not absolute
but varies with the pressure it is subjected to. At lower pressures,
below 1atm, it boils at less than 212F (100C) and at higher pressures it
boils at a higher pressure such as in Jon's pressure cooker. See
http://www.engineeringtoolbox.com/bo...ter-d_926.html