Imagine that a guest is about to depart from your house. She (or he) pauses to check her appearance in an antique-looking mirror mounted near the front door. Suddenly, the image of your guest ...

The ability to hide objects in space– invisibility cloaking– has leapt from the world of science fiction to practical reality within 10 years. But the ability to hide objects in time– temporal ...

Posts from this topic will be added to your daily email digest and your homepage feed. Smart mirrors are straight from science fiction. They’re part of an optimistic vision of the future that imagines ...