Word: pureness
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...some centuries the tinkerers are more influential. The 15th, for example, was important for Gutenberg building his printing press and Columbus setting sail; the 19th for Fulton and his steamboat, Morse and his code, Bell and his telephone, Edison and his light bulb. But in other centuries the pure thinkers were more influential. The 17th, for example, boasted Newton, Galileo, Descartes and Locke...
When Wittgenstein returned to philosophy in 1929, it was with the message that the rigorous methods of pure logic could get no grip on the problems of philosophy: "We have got on to slippery ice where there is no friction and so in a certain sense the conditions are ideal, but also, just because of that, we are unable to walk. We want to walk: so we need friction. Back to the rough ground!" Where before he had favored explicit logical rules, now he spoke of language games, governed by tacit mutual understanding, and he proposed to replace the sharp...
...showed us new ways of being suspicious of our own convictions when confronting the mysteries of the mind. The fact remains that one's first exposure to either the Tractatus or Philosophical Investigations is a liberating and exhilarating experience. Here is a model of thinking so intense, so pure, so self-critical that even its mistakes are gifts...
Until this time, nearly all transistors had utilized germanium because it was easier to prepare in pure form. Silicon offered advantages, at least in theory, mainly because devices made from it could operate at higher temperatures. Also, silicon is a very common chemical element, whereas germanium is relatively rare. Silicon, however, melts at a much higher temperature, making its purification and processing more difficult...
Watson drifted from pure science into administration. As director of the molecular-biology lab at Cold Spring Harbor, N.Y., he turned it into a scientific powerhouse. He also served as head of the Human Genome Project, absorbing some fallout from the high-energy ethical debates whose fuse he and Crick had lighted nearly four decades earlier...