Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...

For centuries, telescopes have relied oncurved glass lenses to bend light and bring the cosmos into focus. While effective, these traditional lenses come with a major drawback—the more powerful they ...

For centuries, lenses have worked the ... for use in air-and-space-based telescopes,” Majumder said. The study, “Color astrophotography with a 100 mm-diameter f/2 polymer flat lens ...