hydrogen control system
41Fusion power — The Sun is a natural fusion reactor. Fusion power is the power generated by nuclear fusion processes. In fusion reactions two light atomic nuclei fuse together to form a heavier nucleus (in contrast with fission power). In doing so they release a …
42Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
43agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …
44International Space Station — ISS redirects here. For other uses, see ISS (disambiguation). International Space Station …
45Space Shuttle Challenger disaster — For more information about the final mission and crew of the Challenger, see STS 51 L. Space Shuttle Challenger s smoke plume after the in flight breakup that killed all seven crew members …
46ARCA (NGO) — ARCA Type Private Industry Aerospace and space tourism Founded 1999 …
47Apollo Command/Service Module — Apollo CSM The Apollo 15 CSM in lunar orbit Description Role: Earth and Lunar Orbit Crew: 3; CDR, CM pilot, LM pilot Dimensions Height: 36.2 ft 11.03 m …
48Plug-in hybrid — The Chevrolet Volt is the first mass production plug in hybrid available in the United States. A plug in hybrid electric vehicle (PHEV), plug in hybrid vehicle (PHV), or plug in hybrid is a hybrid vehicle which utilizes rechargeable batteries, or …
49Chernobyl disaster — This article is about the 1986 nuclear plant accident in Ukraine. For other uses, see Chernobyl (disambiguation). Chernobyl disaster …
50Autonomous car — For the wider application of artificial intelligence to automobiles, see Vehicle Automation. Junior, a robotic Volkswagen Passat parked at Stanford University. An autonomous car, also known as robotic or informally as driverless, is an autonomous …
