refueling circuit
71Breeder reactor — Assembly of the core of Experimental Breeder Reactor I in Idaho, 1951 A breeder reactor is a nuclear reactor that generates more fissile material in fuel than it consumes.[1] These reactors are considered appealing due to their superior fuel… …
72Electric vehicle — Sustainable energy Renewable energy …
73Flight 714 — Graphicnovelbox| englishtitle=Flight 714 foreigntitle=Vol 714 pour Sydney caption=Cover of the old English edition, using its former title publisher=Casterman date=1968 series= The Adventures of Tintin (Les aventures de Tintin)… …
74Naval Battle of Guadalcanal — Part of the Pacific Theater of World War II …
75Spaceplane — A Space Shuttle rocketing into space, just after booster separation. A spaceplane is a vehicle that operates as an aircraft in Earth s atmosphere, as well as a spacecraft when it is in space. It combines features of an aircraft and a spacecraft,… …
76Downforce — Three different styles of front wings from three different Formula One eras, all designed to produce downforce at the front end of the respective race cars. Top to bottom: Ferrari 312 (1979), Lotus 79 (1978), McLaren MP4 10 (1995) Downforce is a… …
77STS-57 — Infobox Space mission mission name = STS 57 insignia = Sts 57 patch.png shuttle = Endeavour launch pad = 39 B launch = June 21, 1993, 9:07 a.m. EDT landing = July 1, 1993, 8:52 a.m. EDT on KSC Runway 33 duration = 9 days, 23 hours, 44 minutes, 54 …
78Formula One regulations — The numerous Formula One regulations, made and enforced by the FIA and later the FISA, have changed dramatically since the first Formula One World Championship in 1950. This article covers the current state of F1 technical and sporting… …
79Optimus Prime — is a fictional character from the Transformers franchise. Prime is the leader of the autobots, a faction of transforming robots from the planet Cybertron. The autobots are constantly waging war against a rival faction of transforming robots… …
80Hydrogen 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… …
