How A Tool For Perfect Human Vision Grew From One Of NASA's Greatest Blunders

Technology used to build NASA’s newest eyes on the heavens will help people see farther and clearer. Since the day the Hubble Space Telescope blinked open and saw a blurry heavens, the world of telescope optics has revolved around double-checking every possible detail. To see clearly, a telescope’s mirrors must be flawless, bending and reflecting photons with absolutely perfect accuracy. While working on ways to fix Hubble’s poor vision, Dan Neal and his colleagues realized ...