hey George, family emergency came up...was off puter for couple of days..Found a source for an oil candle that uses a 1/2 in wick..burns on olive oil,or vegetable oil..would put out a little more heat..olive oil burns clean,odorless,no toxic fumes..but is more expensive to burn..They also have several 1/8 in round wick models.. If someone wants info let me know. The most simple way to explain your water vs heat thing..W/my pea of a brain..I think this topic was discussed earlier though.
Heat: the total kinetic energy of the molecules or atoms composing a substance. The atoms and molecules in a substance DO NOT always move at the same velocity meaning that there is a range of kinetic energy among the atoms and molecules
Temperature: the average kinetic energy of individual atoms and molecules.
Conduction: the transfer of kinetic energy of atoms and molecules by collision between neighboring atoms and molecules. No mass is exchanged, but a medium is required. Some substances conduct heat much more readily than the others: Solids are better conductor than liquids and liquids are better conductor than gases. Metals are excellent conductors of heat, WHEREAS AIR IS VERY POOR CONDUCTOR OF HEAT.
But when you put your hands in an oven..Don't touch the metal side's cause it'll burn the crap out of ya.Was also a baker for 8 yrs. Most Metal's are a great conductor of heat,Air isn't..The igloo thing ..Must of been alot tuffer when I was young...Id prefer not to sleep in one now Seems like u could only let the temp go to 40 or so degrees for a short time..Otherwize they may become on stable...Makes since..But most stayed close to 32 F..Here's some igloo info if anyones interested...
http://www.kstrom.net/isk/maps/houses/igloo.html
Take Care.. vinoscooter