Leaving Convention Behind: Bending Multicolored Light with a Flat Lens

A good pair of lenses can transform your life, assuming you are one of the 4.2 billion people in the world with less-than-perfect eyesight. A good lens can also transform our understanding of life and this world we inhabit. From the discovery of microorganisms to the moons of Jupiter, lenses shine a light on things too small or too faint to see with the naked eye. They also help us capture and preserve the milestones and everyday moments that make up a life. That's a lot to ask of ground glass. ...