When we look at the weather, radar plays a big role in helping us understand if it's raining or snowing. Here's how it works: Radar works by sending out radio waves that travel through the air. When ...

The Chinese military claims it has developed a new radar-defeating coating that can hide targets from anti-stealth radar. The coating can absorb low-frequency electromagnetic waves (EM) and is only ...

On February 10, 1958, scientists at MIT's Lincoln Laboratory bounced radar waves off of Venus. At the time, Venus was at a ...

Engineers have developed a 'meta-skin' that uses liquid-metal technology to trap radar waves and cloak objects from detection. By stretching the flexible meta-skin, the device can be tuned to reduce ...

For as long as small, hidden radio transmitters have existed, people have wanted a technology to detect them. One of the more effective ways to find hidden electronics is the nonlinear junction ...