powered approach
31Fighter aircraft — A fighter aircraft is a military aircraft designed primarily for air to air combat with other aircraft, as opposed to a bomber, which is designed primarily to attack ground targets by dropping bombs. Fighters are comparatively small, fast, and… …
32Maglev — JR Maglev at Yamanashi, Japan test track in November 2005 …
33Fusion 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 …
34Wireless energy transfer — or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous,… …
35tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
36Tupolev Tu-144 — Tu 144 Aeroflot Tu 144 at the Paris Air Show in 1975 …
37Guitar amplifier — Mesa Boogie Mark IV, a guitar combo amplifier A guitar amplifier (or guitar amp) is an electronic amplifier designed to make the signal of an electric or acoustic guitar louder so that it will produce sound through a loudspeaker. Most guitar… …
38Airsoft gun — This article is about airsoft guns. For the sport, see Airsoft. Classic Army M15A4 AEG with Aimpoint Comp2 Replica Red dot sight Airsoft guns are replica firearms that propel plastic pellets (also known as BBs) by way of compressed gas, electric… …
39British Airways Flight 38 — BA38 redirects here. For the region of the human brain, see Brodmann area 38. British Airways Flight 38 G YMMM after the crash at Heathrow Airport. Accident summary …
40Computers and Information Systems — ▪ 2009 Introduction Smartphone: The New Computer. The market for the smartphone in reality a handheld computer for Web browsing, e mail, music, and video that was integrated with a cellular telephone continued to grow in 2008. According to… …
