aerodynamic heating protection
41Fuel efficiency — is a form of thermal efficiency, meaning the efficiency of a process that converts chemical potential energy contained in a carrier fuel into kinetic energy or work. Overall fuel efficiency may vary per device, which in turn may vary per… …
42STS-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… …
43Venus — /vee neuhs/, n., pl. Venuses for 2. 1. an ancient Italian goddess of gardens and spring, identified by the Romans with Aphrodite as the goddess of love and beauty. 2. an exceptionally beautiful woman. 3. (sometimes l.c.) Archaeol. a statuette of… …
44balloon flight — ▪ aviation Introduction passage through the air of a balloon that contains a buoyant gas, such as helium or heated air, for which reason it is also known as lighter than air free flight. Unmanned balloons have been used to carry meteorological… …
45STS-1 — is also an abbreviation for Synchronous Transport Signal (level) 1 in the SONET hierarchy. STS 1 Mission insignia Mission statistics Mission name STS 1 …
46Wind power — Wind power: worldwide installed capacity [1] …
47Centrifugal fan — Figure 1: Components of a centrifugal fan Figure 2: Centrifugal fan …
48de Havilland Mosquito — DH.98 Mosquito The Mosquito B Mk XVI ML963 of 571 Squadron this aircraft was lost on an operation to Berlin in April 1945 …
49Fuel cell — For other uses, see Fuel cell (disambiguation). Demonstration model of a direct methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image A fuel cell is a device that converts the chemical energy from a… …
50P-38 Lightning — infobox Aircraft name =P 38 Lightning type =Heavy fighter manufacturer =Lockheed caption = designer =Kelly Johnson first flight =27 January 1939 introduction = 1941 retired = 1949 primary user = United States Army Air Force more users = produced …
