Word: x-rayed
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...National Cardiovascular Center, earlier with a crude version of cholesterol filtering and more recently with a process similar to that used at Rogosin. Racked by angina at age two, she can now climb a flight of stairs without stopping. What is even more impressive to scientists is that X-ray studies show that her disease has actually regressed. "Atherosclerosis of her renal artery has completely disappeared," exults Yamamoto, and blockage around the aortic valve "is almost gone...
Optical observations of X-ray nova A0620-00 made by McClintock and Remillard show a binary system in which one member is a dwarf star and the other is a black hole, the closest yet found to the earth. During outburst, stellar material drawn from the star and falling into the gravitational field of the black hole produces more energy than 10,000 suns...
Karle and Hauptman's work was an advance in the field of X-ray crystallography, which has been employed since 1912 to examine the architecture of substances that have been crystallized. An X-ray beam is aimed at a crystal. As the beam travels through it, the crystal's atoms diffract, or scatter, the rays, producing fuzzy spots of varying intensity on film. The resulting diffraction pattern looks something like strings of beads. Although each type of crystal creates a distinctive design, the patterns are extremely intricate and were once very difficult to interpret. To get beyond the primitive...
...proposal for the U.S. to join the moratorium on nuclear explosions. The U.S. does not want to join that moratorium for one simple reason, among others: the U.S. needs nuclear testing to provide the nuclear element for space lasers. It has to be used to produce an X-ray laser effect. All these are elements in the space-based antiballistic missile defense. Think then what would happen if the whole thing goes full steam ahead. We believe America should give honest thought to these matters before proceeding further...
...screening of passengers and their baggage has been routine at all major terminals since the mid-1970s. Individuals must pass through a metal detector, and carry-on luggage is examined, usually by an X-ray machine. These devices can occasionally be fooled: lead-lined bags sold to protect film can shield weapons from detection, and metal foil can sometimes be used to distort the shape of an image. It is up to the operator of the X-ray machine to insist on opening a bag for closer inspection when a blank mass or an unusual image appears on the screen...