carbon foam
41Building insulation materials — A selection of insulation materials can aid in building insulation. All of these are based on standard principles of thermal insulation. Materials used to reduce heat transfer by conduction, radiation or convection are employed in varying… …
42Abiogenesis — Primordial soup redirects here. For the board game, see Primordial Soup (board game). Origin of life redirects here. For views on the origins of life outside the natural sciences, see Creation myth. Pre Cambrian stromatolites in the Siyeh… …
43STS-118 — Infobox Space mission mission name = STS 118 insignia = STS 118 patch new.png| shuttle = Endeavour crew members = 7 launch pad = LC 39A launch = 8 August, 2007, 6:36:42 p.m. EDT (22:36:42 UTC) landing = 21 August, 2007, 12:33:20 p.m. EDT… …
44Schempp-Hirth Nimbus-4 — infobox Aircraft name = Nimbus 4 type = high performance FAI Open Class glider manufacturer = Schempp Hirth Flugzeugbau GmbH caption = Nimbus 4M with powerplant deployed designer = Klaus Holighaus first flight = 1990 introduction = retired =… …
45Personal flotation device — A man wearing a life vest, with another life vest hanging at the lower left. A personal flotation device (abbreviated as PFD; also referred to as, lifejacket, life preserver, Mae West, life vest, life saver, cork jacket, buoyancy aid, flotation… …
46STS-133 — Mission insignia Mission statistics Mission name STS 133 Space shuttle Discovery …
47soap and detergent — ▪ chemical compound Introduction substances that, when dissolved in water, possess the ability to remove dirt (detergent) from surfaces such as the human skin, textiles, and other solids. The seemingly simple process of cleaning a soiled… …
48Sago Mine disaster — wikinewshas|three articles on the accident * * *The Sago Mine disaster was a coal mine explosion on January 2, 2006, in the Sago Mine (pronEng|ˈseɪgoʊ) in Sago, West Virginia, USA near the Upshur County seat of Buckhannon. The blast and ensuing… …
49Radar absorbent material — Radar absorbent material, or RAM, is a class of materials used in stealth technology to disguise a vehicle or structure from radar detection. A material s absorbency at a given frequency of radar wave depends upon its composition. RAM cannot… …
50plastic — plastically, plasticly, adv. /plas tik/, n. 1. Often, plastics. any of a group of synthetic or natural organic materials that may be shaped when soft and then hardened, including many types of resins, resinoids, polymers, cellulose derivatives,… …
