Acclaimed author Jean G. Boulton once wrote, “Wishing the world was predictable and controllable does not make it so, and it might make us disregard what is actually happening.” While this quote ...

For centuries, lenses have worked the same way: curved glass or plastic bending light to bring images into focus. But traditional lenses have a major drawback—the more powerful they need to be, the ...

A team of researchers in Singapore has come up with a tiny, micrometer-thin battery that can store energy from human tears to power smart contact lenses. If inventors ever arrive at a viable prototype ...