The notion of a thermal optimum persists There is an underlying assumption that the best thermal environment never needs to be noticed, and that once an objectively "comfortable" thermal environment has been provided, all of our thermal needs will have been met. The use of all of our extremely sophisticated environmental control systems is directed to this one end—to produce standard comfort zone conditions. Lisa Heschong, Thermal Delight in Architecture heatcomfortenvironmentux
Extract (n) A decoction, solution, or infusion made by dissolving out from any substance that which gives it its essential and characteristic virtue; essence. Noah Webster, Webster's Dictionary, 1913 Edition barnsworthburning.netFragmentsUpstream Color