Ten-Kilo Telescope Built Like a Crab’s Eye Could Finally Map the Whole Moon’s Chemistry
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Look closely at a lobster sometime and you will notice its eyes do something ours cannot. Instead of a single lens, each eye is a dense grid of tiny square tubes, every one reflecting light inward off its polished walls, all of them pointing at the same patch of darkness. It is a strange way to see. It is also, as it happens, an excellent way to catch X-rays, which refuse to bend through ordinary lenses and instead skim off surfaces at grazing angles like stones across a pond. A team in Japan ha
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