Word: enamels
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...blues in the history of painting equal the electric indigos and aquas that ornament the baked enamel crafted in the 15th and 16th centuries for princes and prelates in the French city of Limoges. These extraordinary hues, combined with lesser colors, were used by master craftsmen to limn exquisitely detailed pictures on altarpieces, caskets. ewers and platters, garnished lavishly with silver and gold. Subjects range from the Annunciation to the labors of Hercules, and some panels even chronicle minor themes like the French proverb of the bad shepherd.* The finest U.S. collection of these Renaissance enamels is owned...
...NIDR study, Dr. Nathan Cardarelli has been analyzing barnacle cementum with the idea that a similar synthetic substance might provide an almost indestructible tooth filling. Dr. Robert Hoffman of the Waldemar Medical Research Foundation has demonstrated for the first time that a metal can be welded firmly to dental enamel by ultrasonic vibrations. He hopes to use that method to replace missing teeth and damaged tissues. Working toward the possibility of a "tooth bank," the NIDR Dr. Paul Baer has already nurtured teeth in the yolks of incubating eggs. No one has found a way to transplant teeth from...
...Here I'm making a simulated brush stroke, but I've removed the idea of something full of passion." He believes that painting in an era of mass media should be impersonal. To heighten this effect, he has even had some of his works executed in porcelain enamel baked on steel panels, turned out these works in editions of six to eight...
Though few people outside medicine and biology know the word, collagen is one of the most important constituents of the human body, making up 30% of its protein. In bone and tooth enamel, its long chains of molecules serve the same purpose as that of steel reinforcing rods in concrete. In mobile tissues' such as tendons, arteries and heart valves, they are like flexible steel wires. And despite the unfamiliarity of its name, collagen (from the Greek kolla, or glue, and pronounced col-uh-jen) has been popular in the humblest homes for centuries. When the hides and bones...
...disasters were probably sulphur dioxide and sulphur trioxide, which, either in gaseous form or converted into sulphuric-acid mist, can irritate the skin, eyes and upper respiratory tract. Extreme exposure, such as might occur in an industrial accident, can do irreparable damage to the lungs-and even attack the enamel on teeth...