The combination of electric and magnetic fields at right angles produces radio waves. These waves occur at different frequencies, and the range of useful frequencies is called the electromagnetic ...

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 ...

The electromagnetic spectrum is the nervous system of modern military operations, yet the way the U.S. Department of Defense (DOD) staffs its spectrum enterprise has not kept pace with the complex, ...

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 ...

The electromagnetic spectrum is the range of all possible electromagnetic radiation. Above infrared in frequency comes visible light. This is the range in which the sun and stars similar to it emit ...

The Pentagon long has made a big effort to showcase its budding cyberwarfare capabilities. But the military has been less forthcoming about a key, more tangible component of cyber -- electronic ...

A new, miniature laser source developed by applied physicists in the Harvard John A. Paulson School of Engineering and ...

Visible light forms part of the electromagnetic spectrum. So do emissions from TV and radio transmitters, mobile phones and the energy inside microwave ovens. As the name implies, they have electric ...

Forbes contributors publish independent expert analyses and insights. Jayshree Pandya is Founder of Risk Group & Host of Risk Roundup. Electronic warfare is on our doorstep, and no nation seems to be ...