"kids’ knees and noggins can be protected with padding and helmets—but how do we safeguard their delicate minds? the answer may lie with augmented reality (ar), a technology that combines sights and sounds of the real world with virtual information. ar eyeglasses could detect inappropriate sights and remove them from view, while ar-enabled earbuds would delete ambient cursing. meanwhile, adults might wear glasses that substitute blessed blank space for roadside billboards, television commercials and the annoying corporate names on most stadiums. professor jie yang of the interact research center at carnegie mellon university recently laid the groundwork for this technology. his prototype digital camera picks out street signs and billboards from a scene and translates their text to another l"
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