Korean researchers shrink augmented reality lenses to fit everyday eyewear

Researchers in Korea have developed an ultrathin optical lens system that keeps digital images bright and legible even in direct sunlight, overcoming one of the main engineering hurdles preventing augmented reality glasses from looking and feeling like ordinary eyewear. The joint team from Pohang University of Science and Technology (POSTECH) and Samsung Research built a prototype featuring a 1.5-millimeter-thick waveguide—the…