Word: layering
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...months ago, 15 scientists flew into McMurdo Station, Antarctica, to investigate a mystery: What causes a thinning in atmospheric ozone above the frigid continent, a phenomenon that has peaked each October since it was first observed in 1983? It was hardly an academic question; the ozone layer is a blanket of oxygen molecules that protects the earth's surface from the sun's harmful ultraviolet radiation, a form of light just beyond the human range of vision. Speculation on the reason for these "holes" has ranged from weather patterns and solar activity to the action of man-made chlorofluorocarbons (CFCs...
...unusual form. Most oxygen comes in two- atom molecules, but external energy -- in this case, the sun's ultraviolet radiation -- can split some of them apart. The single oxygen atoms tend to attach themselves to the remaining molecules, forming an oxygen-atom triplet. The result: a layer, from six to 30 miles up, of ozone-enriched air. Once formed, an ozone molecule is a good absorber of ultraviolet. But when CFCs rise to the ozone layer, sunlight decomposes them, releasing the chlorine they contain. The chlorine is a catalyst, breaking ozone apart without itself being affected. At present, the ozone...
...third is also the visiting team--the goose-egg layer known as the Crimson. In its second, third and fourth games of the season, Harvard put a total of zero points on the scoreboard, while giving up 44 to Holy Cross, 24 to William & Mary and three to Cornell...
...development of synthetic medicines and fuels, the restoration of the ozone layer and the fight against air polution were mentioned as possible uses of the Nobel-copping research...
...Gehry became briefly famous and nearly rich for inventing Easy Edges, a playful, functional line of furniture. The structural principle was ingeniously low tech: cardboard was glued and sandwiched together, each layer of corrugations at right angles to the layer above and below. The furniture was cheap ($37 for a chair) and chic. But Gehry decided he could not stomach becoming known as a designer of ubiquitous designer furniture. Less than three months after it was introduced, he withdrew Easy Edges from the market. "I was trying to make the Volkswagen," he says today. "I did, and it worked...