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Cosmic ray physics: with its large and uniform air shower array, couple with a large muon detector, CASA-MIA had good capability to making measurements of the properties of the ultra high energy cosmic rays.
Geiger–Müller tube A complete Geiger counter, with the Geiger–Müller tube mounted in a cylindrical enclosure connected by a cable to the instrument. The Geiger–Müller tube or G–M tube is the sensing element of the Geiger counter instrument used for the detection of ionizing radiation.
Georg Pfotzer (29 November 1909 – 24 July 1981) was a German physicist. He was a student of Erich Regener in the 1930s and worked with Regener to investigate cosmic rays by using balloons to carry scientific instruments such as Geiger counters to the upper atmosphere. [1] The terms Pfotzer curve and Pfotzer maximum, relating to the ...
Radiocarbon dating (also referred to as carbon dating or carbon-14 dating) is a method for determining the age of an object containing organic material by using the properties of radiocarbon, a radioactive isotope of carbon.
The USAF introduced the 20 mm M39 cannon to replace the M24, while the Navy combined the original Hispano design with a lighter round for better muzzle velocity in the Colt Mk 12 cannon. [16] As a ground vehicle-mounted gun, either anti-aircraft or as a general-purpose autocannon, the HS.404 lasted into the 1960s.
The Type 99 cannon suffered from relatively low muzzle velocity and rate of fire compared to other 20mm cannons but the trade off was an extremely light cannon that did not hinder flight performance of the IJN's fighter aircraft.
The Flak 30 (Flugzeugabwehrkanone 30) and improved Flak 38 were 20 mm anti-aircraft guns used by various German forces throughout World War II. It was not only the primary German light anti-aircraft gun but by far the most numerously produced German artillery piece throughout the war. [1] It was produced in a variety of models, notably the Flakvierling 38 which combined four Flak 38 ...
Cosmic Encounter is a science fiction –themed strategy board game designed by "Future Pastimes" (collectively, Peter Olotka, Jack Kittredge and Bill Eberle, with Bill Norton) and originally published by Eon Games in 1977.
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