aluminum-alloy structure
41Materials science in science fiction — Material science in science fiction is the study of how materials science is portrayed in works of science fiction. The accuracy of the materials science portrayed spans a wide range – sometimes it is an extrapolation of existing technology,… …
42Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios …
43Saturn V Instrument Unit — The Saturn V Instrument Unit is a ring shaped structure fitted to the top of the Saturn V rocket s third stage (S IVB) and the Saturn IB s second stage (S IVB). It was immediately below the SLA (Spacecraft/Lunar Module Adapter) panels that… …
44F-16 Fighting Falcon — infobox Aircraft name= F 16 Fighting Falcon caption=A USAF F 16 over Iraq after refueling, 2008 type= Multirole fighter national origin = United States manufacturer= General Dynamics Lockheed Martin first flight= 2 February avyear|1974… …
45Construction of the World Trade Center — For the post 9/11 rebuilding and ongoing construction at the World Trade Center site, see World Trade Center site. The completed World Trade Center in March 2001 The construction of the World Trade Center was conceived as an urban renewal project …
46Military equipment of Turkey — The military equipment of Turkey includes a wide array of arms, artilleries, large surface vessels, cannons, armored vehicles, mortars, unmanned vehicles and many different equipments. Contents 1 Historical development 1.1 General 1.2 1923 1950 …
47Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium …
48Airframe — means the mechanical structure of an aircraft [cite book | author =Ed Rouen | title=Airplane Names | publisher=San Diego Aerospace Museum | year=2005 | url=http://www.marchfield.org/rouen01.html Names and dates of more than 2,800 aircraft models… …
49Chromium — This article is about the chemical element. For other uses, see Chromium (disambiguation). vanadium ← chromium → manganese ↑ Cr ↓ Mo …
50Ontario Place — Location Toronto, Ontario, Canada Coordinates …
