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121Sintering — is a method used to create objects from powders. It is based on atomic diffusion. Diffusion occurs in any material above absolute zero but it occurs much faster at higher temperatures. In most sintering processes the powdered material is held in… …
122Plaster — The term plaster can refer to plaster of Paris, lime plaster, or cement plaster. This article deals mainly with plaster of Paris.Plaster of Paris is a type of building material based on calcium sulfate hemihydrate, nominally CaSO4·0.5H2O. It is… …
123Programmed cell death — (or PCD) is death of a cell in any form, mediated by an intracellular program.[1][2] PCD is carried out in a regulated process which generally confers advantage during an organism s life cycle. PCD serves fundamental functions during both plant… …
124Basement — This article is about the section of a building. For other uses, see Basement (disambiguation). An unfinished basement used for storage and exercise equipment …
125Original six frigates of the United States Navy — USS Constitution, one of the original six frigates of the United States Navy Class overview Operators: United States Navy …
126Nobel Prize controversies — Nobel Prize Awarded for Outstanding contributions in physics, chemistry, literature, peace, and physiology or medicine. The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel, identified with the Nobel Prize, is awarded for… …
127Jupiter's moons in fiction — Jupiter s extensive system of natural satellites ndash; in particular the four large Galilean moons (Io, Europa, Ganymede and Callisto) ndash; has been a common science fiction setting. Satellite system Some references in fiction focus on more… …
128Song Yingxing — (Traditional Chinese:宋應星; Simplified Chinese:宋应星; Wade Giles: Sung Ying Hsing; 1587 1666 AD) was a Chinese scientist and encyclopedist who lived during the late Ming Dynasty (1368 1644). He was the author of an encyclopedia that covered a wide… …
