Word: x-rays
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
Rembrandt scholars continue a heated debate over the authenticity of thousands of unsigned works, using techniques like X-ray photography and infrared analysis to discover the identity of their creator. The final decision, however, inevitably rests upon subjective judgement--an attribution is ultimately a matter of opinion and not indisputable fact...
...problem is the consistent inability of SDI's designers to define its "architecture," the way it is supposed to work. Originally, there was much talk of space-age particle beams and laser weapons, until the practical difficulties of those technologies became apparent. In 1986 the fad was nuclear-generated X-ray lasers. Last year the SDI organization, fearful that Congress would further cut funding in the absence of a tangible program, pressured the Pentagon into endorsing "Phase I," a system of ground- and space-based sensors and interceptor rockets...
...this year proceeds as planned, NASA intends to keep up the momentum. In 1990 shuttles are scheduled to launch the ROSAT X-ray telescope, the Gamma Ray Observatory and Ulysses, the first probe to study the sun's polar regions. But some experts worry about relying too heavily on the shuttle. "I certainly hope that these missions will go off as planned," says James Van Allen, the University of Iowa physicist who discovered the Van Allen radiation belts that ring the earth. "But the shuttle is not out of the woods yet. After Challenger, NASA should have made a decision...
...months before the Pan Am bombing, during a raid on suspected PFLP-GC terrorists, West German police found a Toshiba Boombeat portable radio that held 10.5 oz. of plastic explosives. An FAA report on the discovery noted that the device "would be very difficult to detect by normal X-ray inspection, indicating that it might be intended to pass undiscovered through areas subject to extensive security controls, such as airports...
INTERVIEW: Tom Wolfe turns his X-ray eye on American society, and himself...