=============================================== so... no matter what, CHEER UP MY FRIENDS! Life is too precious to jump the other side of the fence... kostas papakotas / clenched teeth photography http://groups.msn.com/clenchedteethphotography/home.htm 'COS SOMETIMES IT IS BETTER WITH CLENCHED TEETH! >From: Photogonow@aol.com >Reply-To: photoforum@listserver.isc.rit.edu >To: List for Photo/Imaging Educators - Professionals - Students ><photoforum@listserver.isc.rit.edu> >Subject: Fire >Date: Sun, 20 Oct 2002 20:24:54 -0400 (EDT) > >In a message dated 10/20/2002 9:40:09 AM Central Daylight Time, >kostaspapakotas@hotmail.com writes: > > > > > jIMMY Harris - Colorado Camp Fire > > wow! great COLORS. (and i bet that the coffe tasted much better taht in >a > > lower alt. it has something to do with water boiling temp at high alt) > >Thanks KOSTAS, > >It seems 'combustion' does have some relation to air pressure and >altitude!! >I found the article below from a web site about cooking. It also makes me >wonder if wood burns at a lower temperature 'at high altitude' or if -Fire >itself- is not as Hot! no... it is just that the water boils much harder (as described in the article) at high altitudes. so any cook will tell you that the slowewr the cooking the better food tastes...try took cook beans in thick tomato sauce soup over there, and you'll know what i mean.... cheers, kostas > > >Simply put, the weight of air on any surface it comes in contact with is >called air (or atmospheric) pressure. There's less (or lower) air pressure >at >high altitudes because the blanket of air above is thinner than it would be >at sea level. As a result, at sea level water boils at 212°F; at an >altitude >of 7,500 feet, however, it boils at about 198°F because there's not as much >air pressure to inhibit the boiling action. This also means that because at >high altitudes boiling water is 14° cooler than at sea level, foods will >take >longer to cook because they're heating at a lower temperature. Lower air >pressure also causes boiling water to evaporate more quickly in a high >altitude. < > > > > _________________________________________________________________ Broadband? Dial-up? Get reliable MSN Internet Access. http://resourcecenter.msn.com/access/plans/default.asp