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Floating cities are getting far closer to reality than ever before — but they won't be the libertarian utopias billionaires have proposed
It's been about 13 centuries since Homer envisioned a mythical floating city surrounded by "unbreakable bronze." The idea has generally remained the province of myth since then — until last month.
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Laws of indices - OCR
The laws of indices enable expressions involving powers to be manipulated more efficiently than writing them out in full. An index, or power, is the small floating number that appears after a ...