The U.S. Army of the future may move away from the traditional radio frequencies toward little-used spectrum in part by using card-based radios, liquid metal antennas and laser communications. Today’s ...

Official websites use .mil A .mil website belongs to an official U.S. Department of Defense organization in the United States ...

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 ...

Spectrum is everything when it comes to choosing or designing wireless equipment. Knowledge of the electromagnetic (EM) spectrum is essential for all engineers working with wireless equipment and ...

(TNS) -- Sacramento U.S. Rep. Doris Matsui finds herself in the middle of a tug of war over an invisible commodity that allows military officials to navigate the fog of war and tech-savvy teenagers to ...

In physics, electromagnetic radiation (EMR) consists of waves of the electromagnetic (EM) field, propagating through space, carrying electromagnetic radiant energy. It includes radio waves, microwaves ...

Humans typically blink 4 times per second, equivalent to a frequency of 4 Hz. Blinking at a rate of 1 billion times per second, or 1 GHz, is not possible for a human being. But this is the current ...

Electrical engineers have determined the theoretical fundamental limit for how much electromagnetic energy a transparent material with a given thickness can absorb. The finding will help engineers ...

What is Electromagnetic Radiation? When you sit in front of a computer or television, you are being bombarded by harmful waves quietly emanating from it. Even if you turn off the device, your ...