Paradoxes cause confusion at the roots of all our thinking. A paradox arises when we start with premises we believe to be obviously true, proceed by a process of reasoning that we also think incontrov

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"First suggested by Albert Einstein more than 100 years ago, the paradox deals with the effects of time in the context of travel at near the speed of light." Interesting stuff - could change

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"...a key factor in the Drake Equation [...] is the question of whether technological societies have an average lifetime. Do they invariably survive to reach the stars, or do they destroy themsel

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"Those who ponder the Fermi Paradox might want to consider Myrhaf’s solution, one based on economics. If advanced technological civilizations really are out there, maybe they simply can’t afford

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"The theorist speculates that ancient super-civilizations may well be out there, and perhaps detectable through an upgraded SETI effort. But his first task [...] is to silence the critics."

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Magnetic fields are the key to the paradox that black holes provide nearly a quarter of the radiation in the universe.

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A guide to the paradox that (probably) makes time travel impossible, by way of a classic Heinlein plot.

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Paradoxes and Contemporary Logic

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Discussion on how one can claim conservatism but also kiss up to the religious right who are about big government.

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