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The Bronze Age artists used a curious technique; with a tool made from hard rock, possibly quartz, they hammered or scraped groups of closely spaced small holes, 1 mm. to 5 mm. in diameter. Significantly, the most painstakingly executed samples of valley craftsmanship are found in the earliest engravings. Later...

Author: /time Magazine | Title: Science: The Valley of Marvels | 10/30/1972 | See Source »

Juhala, in fact, admitted that he had set off the bomb. Arrested for destroying Government property, he also owned up to another piece of sabotage. At his direction the Air Force and local authorities drained an 800,000-gal. storage tank on the fuel farm at K.I. Sawyer base in...

Author: /time Magazine | Title: ARMED FORCES: The Saboteurs of Swim | 10/16/1972 | See Source »

Severed Circle. As a technical procedure, however, vasectomy is simplicity itself. After administering a local anesthetic, the doctor locates the vas deferens, the thin (3-mm. diameter) tube that carries sperm from the testicle to the seminal vesicle, where it is mixed with other components of the semen (see diagram...

Author: /time Magazine | Title: Medicine: Questions on Vasectomy | 10/2/1972 | See Source »

Menstrual extraction is essentially a vacuum-aspiration method in which the fertilized egg, if present, and the uterine lining are withdrawn by means of a tube inserted through the cervix. It differs significantly, however, from similar procedures performed in clinics in New York and other states where abortion is legal...

Author: /time Magazine | Title: Medicine: Unofficial Abortion | 9/11/1972 | See Source »

A balloon is the only vehicle large enough to transport the 40-inch in diameter telescope. Robert W. Noyes, physicist at the Smithsonian Astrophysical Observatory said. In addition, a balloon can stay up longer--10-12 hours of observation is planned--it carries more instruments, and is cheaper.

Author: By Cynthia Kaufman, | Title: Harvard Will Help Launch Telescope To Study Radiation in the Milky Way | 8/11/1972 | See Source »

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