Word: almaden
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Dates: during 1990-1999
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...against the content of any site the user tries to see or simply blocking access to a list of sites ruled obscene or otherwise objectionable. In both instances, the filter will almost always work like a blunt instrument. If you tried to get to the home page of the Almaden Valley (California) Youth Soccer League and you had a filter, you would be blocked because the filter, tuned to look out for pedophiles, might have the phrase "Boys Under 12" on the proscribed list. If "sex" is labeled taboo, you can't read the poet Anne Sexton. Katherine Borsecnik...
...atoms wide. At very short distances, electrons can traverse the gap between the tip and the surface, a phenomenon known as tunneling. This generates a tiny current that can be used to move atoms and molecules around with pinpoint precision. Thus last year physicists from IBM's Almaden Research Center manipulated 35 xenon atoms on a nickel surface to spell out their company's logo. They have also fashioned seven atoms into a minuscule beaker in which they can observe chemical reactions at an atomic level, and they devised a working version of a single-atom electronic switch that...