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 ...

A new strategy outlines five strategic goals for achieving superiority in the electromagnetic spectrum. (Spc. Marcus Gresham/U.S. Army) WASHINGTON — The U.S. Department of Defense released its highly ...

One of the landmark discoveries of 19 th century physics was the realisation that electricity, magnetism and light are all connected. Experiments had already shown that the movement of electrical ...

The copper target was operated at voltages of 11 kV, 12 kV, 13 kV, and 14 kV for the electron source, and a 50 kV configuration using a molybdenum target was used as a representative example for the ...