heat receiver
41Super Bowl XXXIII — Infobox SuperBowl sb name = XXXIII visitor = Denver Broncos home = Atlanta Falcons visitor abbr = DEN home abbr = ATL visitor conf = AFC home conf = NFC visitor total = 34 home total = 19 visitor qtr1 = 7 visitor qtr2 = 10 visitor qtr3 = 0… …
42Ruger Mini-14 — The Mini 14 Type Semi automatic carbine (Mini 14) Assault rifle (AC 556) …
43Solar power satellite — A solar power satellite, or SPS or Powersat, as originally proposed would be a satellite built in high Earth orbit that uses microwave power transmission to beam solar power to a very large antenna on Earth. Advantages of placing the solar… …
44Cryogenic oxygen plant — A cryogenic oxygen plant is an industrial facility that creates molecular oxygen at relatively high purity. Oxygen is the most common element in the world and the second largest industrial gas. The purity of oxygen can only be generated by… …
45December 2004 in sports — See also: 2004 in sports, Other events in December 2004 < December 2004 > S M T W T F …
46Scuba diving — Not to be confused with Self contained breathing apparatus, which describes breathing sets used out of water. Scuba diver Scuba diving ( SCUBA originally being an acronym for self contained underwater breathing apparatus, now widely considered a… …
47Space-based solar power — Left: Part of the solar energy is lost on its way through the atmosphere by the effects of reflection and absorption. Right: Space based solar power systems convert sunlight to microwaves outside the atmosphere, avoiding these losses, and the… …
48Transformer — This article is about the electrical device. For the toy line franchise, see Transformers. For other uses, see Transformer (disambiguation). Pole mounted distribution transformer with center tapped secondary winding. This type of transformer is… …
49F-22 Raptor — Infobox Aircraft name= F 22 Raptor type= Stealth Air superiority fighter national origin = United States manufacturers=Lockheed Martin Aeronautics Boeing Integrated Defense Systems caption= Two F 22 Raptors in column flight formation designer=… …
50History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …
