radiant panel
21Passive solar building design — Elements of passive solar design, shown in a direct gain application …
22Promethea — Superherobox caption= Promethea Volume 1 TPB , copyright DC Comics comic color=background:#8080ff character name=Promethea real name=Sophie Bangs publisher=America s Best Comics debut= Promethea #1 (1999) creators=Alan Moore alliance… …
23heating — I Process of raising the temperature of an enclosed space. Heat can be delivered by convection, radiation, and thermal conduction. With the exception of the ancient Romans, who developed a form of central heating, most cultures relied on direct… …
24Photoelectric effect — The photoelectric effect is a quantum electronic phenomenon in which electrons are emitted from matter after the absorption of energy from electromagnetic radiation such as x rays or visible light.cite book | title = Physics for Scientists… …
25global warming — an increase in the earth s average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect. [1975 80] * * * Potential increase in global average surface temperatures resulting from… …
26Grill (cooking) — There are multiple varieties of grills, with most falling into one of two categories: gas fueled and charcoal. There is a great debate over the merits of charcoal or gas for use as the cooking method between grillers. Electric indoor grills have… …
27Tree of Jesse — The oldest complete Jesse Tree window is in Chartres Cathedral, 1145. The Tree of Jesse is a depiction in art of the Ancestors of Christ, shown in a tree which rises from Jesse of Bethlehem, the father of King David; the original use of the… …
28Halo (religious iconography) — For other uses, see Halo (disambiguation). Jesus and nine of the Twelve Apostles depicted with Floating disk haloes in perspective (detail from The Tribute Money, illustrating Matthew 17:24 27, by Masaccio …
29Climate model — This article is about the theories and mathematics of climate modeling. For computer driven prediction of Earth s climate, see Global climate model. Climate models are systems of differential equations based on the basic laws of physics, fluid… …
30Insolation — is a measure of solar radiation energy received on a given surface area in a given time. It is commonly expressed as average irradiance in watts per square meter (W/m²) or kilowatt hours per square meter per day (kW·h/(m²·day)) (or hours/day). In …
