Thread: On The Square
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Old 01-06-2014, 05:55 PM   #137
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Arrow Sent to Outer Space

A Plaza is an open urban public space, such as a city square..All through Spanish America and the Spanish East Indies, the plaza mayor of each center of administration held 3 closely related institutions: the cathedral, the cabildo or administrative center, which might be incorporated in a Wing of a Governor's palace, and the audiencia or law court. The plaza might be large enough to serve as a military parade ground.. At times of crisis or fiesta, it was the space where a large crowd might gather.. Like the Italian piazza, the plaza remains a center of community life that is only equaled by the market-place..Cognates of the word plaza include Italian piazza, Portuguese praça, French place, Catalan plaça and Romanian piața, English place. The origin of all these words is, via Latin platea, from Greek πλατεῖα (ὁδός), plateia (hodos), i.e. "broad (way or street)"...

Radioisotope thermoelectric Generator (RTG, RITEG) is an electrical generator that uses an array of thermocouples to convert the heat released by the decay of a suitable radioactive material into electricity by the Seebeck effect..RTGs have been used as power sources in satellites, space probes and unmanned remote facilities such as a series of lighthouses built by the former Soviet Union inside the Arctic Circle.. RTGs are usually the most desirable power source for robotic or unmaintained situations that need a few hundred watts (or less) of power for durations too long for fuel cells, batteries, or generators to provide economically and in places where solar cells are not practical. Safe use of RTGs requires containment of the radioisotopes long after the productive life of the unit..A common RTG application is spacecraft power supply.. Systems for Nuclear Auxiliary Power (SNAP) units were used for probes that traveled far from the Sun rendering solar panels impractical. As such, they were used with Pioneer 10, Pioneer 11, Voyager 1, Voyager 2, Galileo, Ulysses, Cassini, New Horizons and the Mars Science Laboratory.. RTGs were used to power the two Viking landers and for the scientific experiments left on the Moon by the crews of Apollo 12 through 17 (SNAP 27s).. Because the Apollo 13 moon landing was aborted, its RTG rests in the South Pacific ocean, in the vicinity of the Tonga Trench.. RTGs were also used for the Nimbus, Transit and LES satellites.. By comparison, only a few space vehicles have been launched using full-fledged nuclear reactors: the Soviet RORSAT series and the American SNAP-10A..There are approximately 1,000 such RTGs in Russia. All of them have long exhausted their 10-year engineered life spans.. They are likely no longer functional, and may be in need of dismantling. Some of them have become the prey of metal hunters, who strip the RTGs' metal casings, regardless of the risk of radioactive contamination..United States Air Force uses RTGs to power remote sensing stations for Top-ROCC and Save-Igloo radar systems predominantly located in Alaska...In the past, small "plutonium cells" (very small 238Pu-powered RTGs) were used in implanted heart pacemakers to ensure a very long "battery life".. As of 2004, about 90 were still in use..Sharipov was also Flight Engineer on Expedition 10 to the International Space Station (ISS).. The Soyuz TMA-5 spacecraft carrying Shapripov, cosmonaut Yuri Shargin and NASA astronaut Leroy Chiao lifted off from the Baikonour cosmodrome on 14 October 2004 at 03:06 UTC. After 2 days of autonomous flight the Soyuz spacecraft docking with the ISS on 16 October at 4:16 UTC. Sharipov joined the Expedition 10 crew as a flight engineer. The main task of Expedition 10 was to support ISS in functional condition. During his stay, Sharipov conducted several science and human life sciences Experiments for the Russian Space Program.. Biotechnological experiements he performed used stem cells for possible development of a vaccination for HIV/AIDS treatment.. He also participated in ecology studies of the Earth from space..After spending 192 days in space, Shapirov returned to Earth on 24 April 2005 with Leroy Chiao and ESA astronaut Roberto Vittori aboard the Soyuz TMA-5 spacecraft. The Soyuz capsule landed at 22:08 UTC 90 km north of the town of Arkalyk was founded in 1956 as a settlement of Geologists and Builders.. By birth, it was obliged to open after the war for deposits of bauxite (raw material for aluminum production)..The design of an RTG is simple by the standards of nuclear technology: the main component is a sturdy container of a radioactive material (the fuel).. Thermocouples are placed in the walls of the container, with the outer end of each thermocouple connected to a heat sink.. Radioactive decay of the fuel produces heat which flows through the thermocouples to the heat sink, Generating Electricity in the Process... we are opposed around the world by a monolithic and ruthless conspiracy that relies on covert means for expanding its sphere of influence-on infiltration instead of invasion, on subversion instead of elections, on intimidation instead of free choice, on guerrillas by night instead of armies by day.. It is a system which has conscripted vast human and material resources into the building of a tightly knit, highly efficient machine...

Last edited by lightgiver; 01-06-2014 at 06:02 PM.
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