A universal mirror, an object that reflects all light waves back at their source, has been created by scientists in Europe and Asia. Imagine a tennis player hitting a ball against a wall. The ball ...

No, the opposite of an invisibility cloak isn’t a normal jacket, smartass. This universal mirror uses metamaterials to bounce light back at the same angle from which it came, so no matter where you ...

You know those invisibility cloaks scientists have been struggling to master for decades? This here is said cloak's perfect opposite, and it's bending our minds in ways you can hardly fathom. Ulf ...