Word: provenances
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Dates: during 1990-1999
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...hope is that these satellites can be built within three years, rather than the typical seven or eight, which would keep the cost down, and that they can incorporate the most advanced technology possible. Traditionally NASA has shied away from anything but thoroughly proven electronics and other devices, figuring that a single failure could endanger an entire satellite full of instruments. That is precisely what engineers think happened to the Mars Observer last summer, when a defective transistor evidently killed a $1 billion space probe. With only a few high-tech instruments per satellite, any failures would affect only...
Biswas believes the method shows promise because it targets specific viral genes. In the past, this class of drugs has proven to be too toxic for use in human patients. But, according toBiswas, "The side effects can be avoided by usingvery low concentrations of these drugs [incombination...
...example of legislation encouraging segregation, the report criticized the Supreme Court's 1974 Miliken v. Bradley decision for not mandating desegregation unless a district is proven to have caused the segregation...
...Bulldogs have proven Poliziani to be correct so far, as his squad has not scored more than four goals in any game, while its only two wins have been by 3-2 (at Princeton) and 4-2 (against Clarkson) scores...
Murphy has proven elsewhere that he can take a program that is in disarray and turn it around...