Like most waves in the electromagnetic spectrum, radio waves tend to bounce off of various objects. This can be frustrating to anyone trying to use something like a GMRS or LoRa radio in a dense city, ...

For the last 30 years stealth technology on planes and ships has brought battleground advantage to the world's leading military powers. Countries like the United States have been able to fly ...

A Tornado fighter aircraft of the German Air Force prepares to land at Büchel air base on Feb. 27, 2019, near Cochem, Germany. (Thomas Lohnes/Getty Images) COLOGNE, Germany — The German Air Force has ...

This article discusses some of the fundamental research and development challenges in both the digital and RF/millimeter wave domains (such as waveform generation, receiver algorithms and ...

Solar signal Store Glacier, Greenland, where researchers showed that a battery-powered radio receiver with an antenna placed on the ice can use the Sun's radio waves to measure the glacier's thickness ...