Dec 2 1962
From The Space Library
MARINER II Venus probe wits 27,293,368 mi. from earth and traveling 81,080 mph through space. Launched Aug. 27, the spacecraft had traveled 158 million mi. on its orbital path toward Venus.
20th anniversary of first controlled, self-sustaining nuclear reaction, achieved at Univ. of Chicago in 1942. AEC reported an estimated 518 reactors now in operation or under construction around the world, with 286 in U.S., 39 in U.S.S.R., 39 in U.K., 25 in France, 18 in West Germany, 14 in Italy, 11 in Japan, and 10 in Canada.
Radiation research results reported by George M. Woodwell of Brookhaven National Laboratory to American Association for the Advancement of Science showed that plants, like animals, vary in sensitivity to radiation. Large plants that reproduce slowly, such as trees, appear more susceptible to radiation than less complex plants, such as algae and fungi. ". . . The hypothesis seems tenable that small organisms with wide ecological amplitudes and high rates of reproduction in short, weeds and other organisms frequently considered pestiferous because of their persistence under persecution—have survival advantage under conditions of long-term exposure to ionizing radiation over large organisms with longer life cycles." Development of two-way portable communicator providing confidential conversations up to 10 mi. apart via infrared beams was announced by Raytheon Co. Pencil-thin light beam is so narrow that it is virtually impossible to intercept or tap, Raytheon said.
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