Five Best Ideas of the Day
Published each weekday, at noon.
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To connect a nation with hundreds of languages, he built a phone that speaks almost all of them.
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One city wants to teach first responders first aid — for mental health.
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What could go wrong? We’re training computers to spot terrorists and shooters before they strike.
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If robots don’t take your job, digital crowdworkers might do it for cheap.
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Just in time for summer, this camera can save you from sunburn.