Word: silica
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...France and one in the United States. Hajek says a 30-50-kg model will be available for sale in September. With patents granted or pending in some 60 countries, thousands of years after man first learned how to combine soda from ashes, lime from seashells and silica from beach sand to form glass, Hajek is ready to set the world of crystal manufacture on fire with his microwave furnace...
...knew she might find heat-loving microbes in the scalding water, but she had no reason to think she would find remains of their deceased kin. When she looked at rock samples under a microscope, however, she discovered that they bore the fossilized imprints of bacterial sheets that gave silica a place to cling as the rocks were forming. "I was flabbergasted," she says...
...earthly creatures share these features only because we have inherited these properties from a common ancestor that used one configuration among a million alternatives unknown to us but quite conceivable and workable? Indeed, would we, in our carbon-based parochialism, even recognize otherworldly forms of life--pulsating sheets of silica, perhaps--well beyond...
...technology may have a solution. An upstart company called FieldTurf, in alliance with sports monolith Nike, has developed a surface that more closely resembles the texture and response of grass. It is made of synthetic blades and is held up by an artificial dirt composed of silica and rubber that can be made of recycled running shoes. The University of Nebraska recently installed the surface after a year in which 40 football players sustained injuries on AstroTurf. "It is the closest thing to natural grass I've seen," says John Ingram, the Cornhuskers' director of athletic facilities. "This year...
...response to union complaints, a team from the Occupational Safety and Health Administration (OSHA) came to Widener yesterday to take another set of air samples from several offices that had been exposed to silica dust...