Five Best Ideas of the Day
Published each weekday, at noon.
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Is the SAT irrelevant?
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Here’s why the U.S. will probably never close the prison at Guantanamo Bay.
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This step-by-step guide could loosen cable’s stranglehold on Internet access.
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Closing the technology gap for the blind with a cheap “microfluid” braille touchscreen.
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This robot lifeguard is going to work on Europe’s refugee crisis.