Saturday, April 20

Economics

Space mining is no longer science fiction. By the 2020s, Planetary Resources and Deep Space Industries—for-profit space-mining companies cooperating with NASA—will be sending out swarms of tiny satellites to assess the composition of hurtling hunks of cosmic debris, identify the most lucrative ones, and harvest them. They’ve already developed prototype spacecraft to do the job. […]

While researching my soon-to-be-released biography on John Horton Conway, an iconoclastic and very influential mathematician at Princeton, I organized a research trip to his native England. We visited with Conway’s elder sister, Joan, in Liverpool, and convened a reunion at his alma mater, Cambridge. We met there with a few of his “sum chums,” his co-authors […]

r.classen via Shutterstock In the 1630s, Holland was gripped by the world’s only known case of “tulip mania.” The intensely colored flowers were already a luxury item before then, but their prices leaped when tulips with flame patterned petals hit the market, and they continued rocketing to previously incomprehensible levels. The price for a single […]

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