extra large-scale integrated circuit
41History of general purpose CPUs — The history of general purpose CPUs is a continuation of the earlier history of computing hardware. 1950s: early designs Each of the computer designs of the early 1950s was a unique design; there were no upward compatible machines or computer… …
42Hydro-Québec — Type Government owned corporation Industry Electric Utilities Founded …
43Electric vehicle — Sustainable energy Renewable energy …
44Combined cycle — Thermodynamics …
45Dye-sensitized solar cell — A selection of dye sensitized solar cells A dye sensitized solar cell (DSSC, DSC or DYSC[1]) is a low cost solar cell belonging to the group of thin film solar cells.[2] …
46Dynamic random-access memory — DRAM redirects here. For other uses, see Dram (disambiguation). Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube …
47Amsterdam — This article is about the Dutch capital. For other uses, see Amsterdam (disambiguation). Amsterdam   Municipality/city   From left to right and top to bot …
48In vitro meat — In vitro meat, also known as cultured meat, is an animal flesh product that has never been part of a complete, living animal. It has been described, sometimes derisively, as laboratory grown meat. In vitro meat should not be confused with… …
49Hydrogen economy — The hydrogen economy is a proposed system of delivering energy using hydrogen. The term hydrogen economy was coined by John Bockris during a talk he gave in 1970 at General Motors (GM) Technical Center.[1] Hydrogen advocates promote hydrogen as… …
50Mexico — /mek si koh /, n. 1. a republic in S North America. 97,563,374; 761,530 sq. mi. (1,972,363 sq. km). Cap.: Mexico City. 2. a state in central Mexico. 6,245,000; 8268 sq. mi. (21,415 sq. km). Cap.: Toluca. 3. Gulf of, Mexican, Golfo de México /gawl …
