EPFL researchers have developed a method to calibrate electron spectrometers with extreme accuracy by linking microwave, optical, and free-electron frequencies. Frequency is one of the most precisely ...

Electromagnetic spectrum operations (EMSO) have rocketed to prominence across the U.S. military, complete with their own doctrine, billets and centers of excellence. Yet decades before EMSO was ...

The Air Force has taken a number of steps to improve its electromagnetic spectrum posture — from reorganizing offices to relying more on adaptable technologies. (Staff Sgt. Evelyn Chavez/U.S. Air ...

Modern warfare is fought on two battlefields simultaneously — one you can see, and one you cannot. The invisible battlefield ...

Whether it’s to look up funny cat videos or operate a robotic system using wireless internet, 5G has become a staple in the everyday lives of many. But for the Pentagon, the communications technology ...