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    Project Mercury

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    Project Mercury Project Mercury, the first manned U.S. space project, became an official NASA program on October 7, 1958. The Mercury Program was given two main but broad objectives: 1. to investigate man’s ability to survive and perform in the space environment and 2. to develop basic space technology and hardware for manned space flight programs to come. NASA also had to find astronauts to fly the spacecraft. In 1959 NASA asked the U.S. military for a list of their members who met certain qualifications

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    Mercury And Apollo Space Projects

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    Project Mercury was the United States' first attempt to send humans into space. It began in 1958. The project had three main objectives: to orbit a manned spacecraft around Earth, to see how well humans fared in space, and to recover both the spacecraft and its crew safely. Project Mercury made six manned flights from 1961 to 1963. After the Soviet Union launched "Sputnik," the first artificial satellite, the United States decided to start a space program because they didn't want to be beaten by

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    Animals in Space

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    atmosphere by parachute. Patricia died of natural causes about two years later and Mike died in 1967, both at the National Zoological Park in Washington, DC. The Soviets kept close tabs on what the U.S. was doing with their V-2 and Aerobee missile projects during the early 1950's. Basing their experiments on American biomedical research, Soviet rocket pioneer Sergei Korolev, his biomedical expert Vladimir Yazdovsky, and a small team used mice, rats and rabbits as one-way passengers for their initial

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    himself by being the first man to reach Mach 1, the speed of sound. John Glenn was an all-American Marine pilot. Glenn was a religious family man who was ready to do anything he could for his country. He became the poster boy for America's Mercury Project. Yeager and Glenn are two fine examples of American heroes of the 1950's and 1960's. In The Right Stuff, Wolfe presents these men in such a way that the excitement they started is rekindled. Wolfe uses many tools in his recreation of these

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    Mercury Seven

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    was able to identify men who possessed all of those traits. The first astronauts would be deemed “Supermen” or as they would later be introduced to the world, “The Mercury Seven” (Carpenter, Cooper, Jr., Glenn, Jr., Grissom, Schirra, Jr., Shepard, Jr., and Slayton 9). There were 508 test pilots who signed up to be a part of Project Mercury. Of those applicants, only 110 met the mission mandated requirements: Height: 5’ 11” and under; Age: 40 or younger; Weight: 180 or less (Burgess 7). The 110 applicants

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    and found that mercury and its compounds are one of the highest priority pollutants to investigate. The CAAA required the U.S. Environmental Protection Agency (EPA) to conduct a mercury emissions study, including those from electric utility steam generating units. In 1997, EPA released the Mercury Study Report to Congress which analyzed mercury emissions from power plants and investigated control technologies. In 1998, EPA released the Utility Air Toxics Study which also showed mercury as a top priority

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    The Case of Banning the Use of Dental Amalgam

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    Mercury is a unique and important element that has been used by humans since ancient times. Over the years, several combinations with mercury have been found for various uses such as; measuring devices, batteries and fluorescents, medicaments, as well as one of the most important uses dental amalgam. According to the American Dental Association (ADA), dental amalgam is a durable metal alloy composed of 50% mercury, 35% silver, 9% tin, and 6% copper, and trace amounts of zinc. The compound forms into

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    autism

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    Vaccination and other perceived causes One of the highly contested and controversial debates in the past surrounding the cause of autism is vaccination. Those who firmly believe that vaccination is the culprit desperately cling on to whatever proof they have. Although it cannot be denied that the first symptoms of autism appear right after the child receives the first series of vaccinations. There are those who disagree vehemently denies it, claiming that the diagnosis of autism after the first

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    and groundwater. Some overwhelming metals incorporate: • Lead (Pb) • Mercury (Hg) • Chromium (Cr) (in spite of the fact that just the structure Cr(vi) is dangerous) • Zinc (Zn) • Copper (Cu) • Arsenic (As) • Nickel (Ni) • Cadmium (Cd) A few of these components are necessary for human health, and are useful when taken into the form in nourishments or as supplements at suitable, low levels. Alternately, cadmium, lead and mercury have no known living capacity and are lethal to people. Dis...

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    Superconductors

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    of superconductors has been a working progress for many years and some superconductors are already in use, but there is always room for improvement. In 1911, Dutch physicist Heike Kamerlingh Onnes first discovered superconductivity when he cooled mercury to 4 degrees K (-452.47º F / -269.15º C). At this temperature, mercury’s resistance to electricity seemed to disappear. Hence, it was necessary for Onnes to come within 4 degrees of the coldest temperature that is theoretically attainable to witness

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