Word: quartz
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...used, and several teeth can be bonded during a single visit to the dentist. Diluted phosphoric acid is applied to the natural tooth, etching microscopic pores into the enamel. Next comes a coat of liquid plastic to seal the tooth. Then a paste composed of plastic and finely ground quartz, glass or silica is patted on in thin layers tinted to match the natural teeth and molded into the desired shape. After each layer is applied, it is exposed for up to 40 seconds to either ultraviolet or visible light beams. This triggers a reaction that hardens and bonds...
Other questions continued to defy rebuttal. Mrs. Takase, for example, says that Allen could not have been surprised by the honorarium since he himself had negotiated it with the magazine. Another point of dispute involves two Seiko Quartz digital watches, worth about $135 each, that Mrs. Takase gave Allen. He describes them as personal gifts received before the Inauguration. Reporter Fuyuko Kamisaka, who purchased the watches for Mrs. Takase, said again last week that one watch was given before the swearing-in, while the second was handed over afterward. The timing is crucial, because Administration officials are barred from keeping...
...topped by Egyptian lotus flowers. Inside were the remains of long-faced, large-skulled people of apparently Egyptian origin. For their voyage to the nether world, they were accompanied by such Egyptian burial adornments as seals and scarabs, solid-gold teardrop earrings, beads of gold and carnelian (reddish quartz), lotus-shaped alabaster goblets. The coffins even contained alabaster spoons, in the shape of a swimming girl, to apply cosmetics. Some of the seals bore the name of Ramses...
Glassmaking is one of the oldest of crafts: it was an estimated 3,500 years ago that some unknown artisan in Mesopotamia pulled a chunk of quartz from a primitive furnace and found that it had become the fascinating molten glob that is glass. There has never been a single museum detailing and displaying this long history. The Corning Glass Works has remedied the situation by opening a stunning new museum in Corning, N.Y., devoted to just this purpose. The building is worthy of its mission. It is an innovative and handsome structure designed by Architect Gunnar Birkerts, sheathed...
...contender and force Democratic candidates to fight off a black woman, bound to generate ill feeling among blacks and, we hoped, with women. EMERALD would use a chase plane to eavesdrop on the Democratic candidate's aircraft and buses when his entourage used radio telephones. QUARTZ emulated the technique used by the Soviet Union for microwave interception of telephone traffic...