Tophat
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TopHat (Balloon) — TopHat was a scientific experiment launched from McMurdo Station in January 2001 to measure the cosmic radiation produced 300,000 years after the Big Bang. The balloon was launched on January 2, 2001 and proceeded to fly for 644 hours over the… … Wikipedia
Tophat beam — In optics, a tophat (or top hat) beam is a laser beam with a near uniform fluence (energy density) within a circular disk. It is typically formed by diffractive optical elements from a Gaussian beam. Tophat beams are often used in industry, for… … Wikipedia
tophat — top hat n. A man s hat having a narrow brim and a tall cylindrical crown, usually made of silk. Also called high hat. * * * … Universalium
Quantum Gate (video game) — Infobox VG| title = Quantum Gate developer = Hyperbole Studios publisher = Media Vision Technology designer = Greg Roach engine = Virtual Cinema version = released = 1993 genre = FMV game, adventure modes = ratings = platforms = Windows 3.x,… … Wikipedia
Ole Lund Kirkegaard — (29 July 1940, Aarhus 24 March 1979) was a Danish writer of children s literature and youth literature. He mainly wrote about the interaction between adult and child. The main character in his books is usually an anti hero. On a cold winter s… … Wikipedia
Xcelerator — Infobox roller coaster name=Xcelerator location=Knott s Berry Farm section=The Boardwalk type=Steel type2=Launched status=Open opened=June 22, 2002 manufacturer=Intamin AG designer=Werner Stengel model=Accelerator Coaster track=Dual Overbank… … Wikipedia
List of cosmic microwave background experiments — A comparison of the sensitivity of WMAP with COBE and Penzias and Wilson s telescope. Simulated data. There have been a variety of experiments to measure the Cosmic microwave background (CMB) radiation anisotropies and polarization since its… … Wikipedia
Cosmic microwave background radiation — CMB and Cosmic background radiation redirect here. For other uses see CMB (disambiguation) and Cosmic background (disambiguation). Physical cosmology … Wikipedia
Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment … Wikipedia
Gaussian beam — In optics, a Gaussian beam is a beam of electromagnetic radiation whose transverse electric field and intensity (irradiance) distributions are well approximated by Gaussian functions. Many lasers emit beams that approximate a Gaussian profile, in … Wikipedia
