Word: unless
(lookup in dictionary)
(lookup stats)
Dates: during 1950-1959
Sort By: most recent first
(reverse)
Paddle Wheels for Power. Oddest-looking satellite yet is one scheduled for launching next month by the National Aeronautics and Space Administration to test the possibility of sending a probe to the neighborhood of Venus. There is no point in such a probe unless radio communication can be maintained across 25 million miles, the nearest approach of Venus. Transmission over this distance requires a lot of power. Chemical batteries are too feeble. Nuclear-powered batteries are promising but have not been developed sufficiently. The best bet is solar cells, which capture energy from sunlight...
...standard of secondary school preparation goes up, the individual student can count less on an average high school education to "get him in" to Harvard. Even if he goes to one of the top-flight high schools in the country, he will probably get lost in the shuffle unless he is a proven student or an all-round "outstanding...
American colleges and universities--both on the graduate and undergraduate level--will suffer from an acute shortage of teachers over the next ten years "unless something miraculous happens," Elder commented. This problem is not anyone's fault, he added, but merely a result of the vast numbers of "war babies" who will be reaching college age in the coming years...
...biguanides, the Joslin Clinic's Dr. Leo P. Krall conceded (after trial in 244 patients) that they "are capricious unless the physician uses them with special understanding." But he insisted that DBI, given along with reduced doses of insulin, has helped some unstable diabetics to lead a more normal life than they could when they took insulin several times a day. Main trouble: there is a narrow margin of safety between the DBI dose needed to control the blood sugar level and the dose that may produce side effects, so treatment in severe cases should begin in a hospital...
Wood and Lemann defeated Gallwey and Vinton for the second doubles berth and will play behind Weld-Bowditch, unless the varsity sweeps the singles and Barnaby decides to rest his top doubles pairs...