plastic-range test
41Teller–Ulam design — The basics of the Teller–Ulam design. Radiation from a primary fission bomb compresses a secondary section containing both fission and fusion fuel. The compressed secondary is heated from within by a second fission explosion. The Teller–Ulam… …
42Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios …
43materials testing — Introduction measurement of the characteristics and behaviour of such substances as metals, ceramics, or plastics under various conditions. The data thus obtained can be used in specifying the suitability of materials for various… …
44MythBusters (2011 season) — Country of origin Australia United States Broadcast Original channel Discovery Channel Original run …
45Color photography — Color film redirects here. For the motion picture equivalent, see Color motion picture film. A circa 1850 Hillotype photograph of a colored engraving. Long believed to be a complete fraud, recent testing found that Levi Hill s process did… …
46Shotgun shell — A 12 gauge shotgun shell in a transparent plastic hull, allowing the contents to be seen. From left to right: gunpowder, over powder wad, shot wad, #8 birdshot, and over shot wad A shotgun shell (shotshell) is a self contained cartridge loaded… …
47Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
48M18 Claymore mine — M18A1 Claymore mine The M18A1 Claymore mine with the plastic trigger and detonator wire Type Direction fragmentation anti personnel mine …
49M18A1 Claymore Antipersonnel Mine — Infobox Weapon name=M18A1 Claymore mine caption=The M18A1 Claymore mine with the plastic trigger and detonator wire origin=flag|United States type=Direction fragmentation anti personnel mine is ranged=yes is explosive=yes service=1960 present… …
50Ceramic engineering — Simulation of the outside of the Space Shuttle as it heats up to over 1,500 °C (2,730 °F) during re entry into the Earth s atmosphere Ceramic engineering is the science and technology of creating objects from inorganic, non metallic… …
