Trick of light makes microwave imaging simple

Metamaterials plus math equals quick, cheap system

The days of standing still, arms raised, in an airport security scanner may soon be a thing of the past. A new microwave imaging system offers a fast, inexpensive way to see through clothing and other objects that gathers data without involving complicated moving parts.

A thin copper strip etched with various patterns acts as an aperture for a fast, simple microwave imaging system that involves no lens and no moving parts.