Word: radius
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Dates: during 1960-1969
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...debate was broadcast by WGBH-TV and WGBH and WHRB radio. It reached an audience in about a 65 mile radius from Boston. At the conclusion of the debate, Lodge called for further debates "among all three candidates," but no further confrontations have been announced...
...interplanetary distance by observing the time it takes for Mars to complete one orbit around the sun and comparing that time with the earth's own time on its orbit. Since the distances of the planets from the sun are in proportion to their periods of revolution, the radius of the Martian orbit can thus be measured in terms of the basic "astronomical unit": the average distance of the earth from...
Though the Government's official shelter booklet uses 5-megaton bombs as the basis for its calculations, bigger warheads, with greater destructive power over a wider radius, must certainly be reckoned with. A 50-megaton blast could ignite frame houses up to 60 miles from Ground Zero, burning or asphyxiating many people in basement fallout shelters-or tumbling their houses down on them. Scientists also think a nuclear blast might produce a fierce fire storm, which would suck up oxygen over large areas and kill all in its path-but no one can be certain...
...Zeus, its 48-ft. nuclear-tipped anti-missile missile. Fired from New Mexico's White Sands missile range, a Nike Zeus locked on a ranging Nike Hercules; in the first real test of its interceptor capacity, the Zeus homed in and detonated close enough to be within "lethal radius" if it had carried a nuclear warhead...
...call attention to an objection to shelters in areas on the perimeter of a blast which he feels--and rightly--has been neglected: the firestorm which the detonation of a bomb at the proper height can cause. As the size of the bomb increases, he points out, the fire radius increase at many times the rate at which the blast radius increases. Thus, "the 50-megaton bomb... must have a blast radius of about 13 miles, but an incendiary radius of 50; a 100-megaton bomb would have a blast radius of about 17 miles and an incendiary radius...