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White people discovered the Galapagos Islands in 1535 when a Spanish ship came upon them after being blown off course by a storm. Nobody was living there, nor were remains of any human settlement ever found there. This unlucky ship wished nothing more than to carry the Bishop of Panama to Peru, never losing sight of…
It seems that most people, even intelligent and well-informed people, are confused about the difference between the Internet and the Web. No one has expressed this misunderstanding more clearly than Tom Wolfe in Hooking Up: I hate to be the one who brings this news to the tribe, to the magic Digikingdom, but the…
The great discovery of Bennett and, independently, of Fredkin is that it is possible to do computation with a different kind of fundamental gate unit, namely, a reversible gate unit. I have illustrated their idea--with a unit which I could call a reversible NAND gate. It has thre inputs and thre outputs. Of the…