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These perplexing questions may now have been answered by two scientists using a standard aerodynamic formula. Assuming that Pteranodon weighed only 40 Ibs. (it had an extremely delicate skeleton), Geologist Cherrie D. Bramwell and Physicist G.R. Whitfield of the University of Reading in Berkshire, England, used the formula to calculate that the beast had to attain an air speed of only 15 m.p.h. to take off. In winds above that velocity, they report in Nature, Pteranodon would only have needed to spread its wings to become airborne, easily taking off from level ground or the crest of a wave. "Thus...
Strauch said in proposing his amendment-which passed by a vote of 68-61- "I am not at all an expert on this subject, but as an experimental physicist, I'd like to see some experimentation." He suggested that some Houses have a two-to-one ratio and others have different ones. He pointed out that the present ratio in Adams, Winthrop, and Lowell Houses is about seven...
Intellectual Sensation. Brezhnev's angry accusations have inspired thoughtful replies from a number of prominent Soviet citizens. One of the most compelling responses was circulating last week among intellectuals in Moscow. Some thought that it came from Academician Andrei Sakharov, the gifted physicist whose 10,000-word essay outlining a scenario of economic convergence between the U.S. and the Soviet Union created a sensation among intellectuals 18 months ago. Others believed that it was written by someone who knows and shares the physicist's view, though not necessarily by Sakharov himself. Sakharov was removed from work requiring security...
...hold-downs for two years, and now the Administration has submitted a budget that, despite rising costs, will keep the level of federal spending for research virtually unchanged through June 1971. As a result, some important programs will be cut down severely or actually eliminated. The net effect, says Physicist Philip H. Abelson, editor of Science, has been harshly called a "mindless dismantling of American science...
When the results of the experiment were first reported last June, many scientists were outspokenly skeptical. University of Maryland Physicist Joseph Weber announced that after more than ten years of effort, he had finally detected the waves that transmit gravitational energy across space. These gravity waves had been postulated by Einstein's General Theory of Relativity in 1916 but never before observed. Last week Weber converted many of the doubters. Over the last six months, he told the American Physical Society, he had recorded 200 distinct bursts of gravitational radiation from far out in space...