Word: scaled
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Dates: during 1990-1999
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...until the U.S. entered World War II did F.D.R. try Keynes' idea on a scale necessary to pull the nation out of the doldrums--and Roosevelt, of course, had little choice. The big surprise was just how productive America could be when given the chance. Between 1939 and 1944 (the peak of wartime production), the nation's output almost doubled, and unemployment plummeted--from more than 17% to just over...
...work moved to the University of Chicago when the Manhattan Project consolidated its operations there, culminating in the assembly of the first full-scale pile, CP-1, on a doubles squash court under the stands of the university football field in late 1942. Built up in layers inside wooden framing, it took the shape of a doorknob the size of a two-car garage--a flattened graphite ellipsoid 25 ft. wide and 20 ft. high, weighing nearly 100 tons. Dec. 2 dawned to below-zero cold. That morning the State Department announced that 2 million Jews had perished in Europe...
...arms race that ensued put the world at mortal risk. But the discovery of how to release nuclear energy, in which he played so crucial a part, had long-term beneficial results: the development of an essentially unlimited new source of energy and the forestalling, perhaps permanently, of world-scale...
...seismologist Charles Richter develops a scale for measuring the strength of earthquakes...
...brain manages to think is a conundrum with a millennial time scale. All animals have brains so as to be able to move about. Signals from the senses--eyes, ears, nostrils or skin, as the case may be--send messages to the spinal cord, which moves the limbs appropriately. But thinking involves the consideration of alternative responses, many of which have not been experienced but have been merely imagined. The faculty of being conscious of what is going on in the head is an extra puzzle. A century from now, electronics shops (or websites) will be advertising all kinds...