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

A team of researchers has shown they can watch a computer chip think without ever touching it. Using terahertz radiation, a ...

A NATO ally has begun operating a vertical takeoff and landing drone engineered to maintain flight and complete missions even ...

Globalstar satellites, radio frequency spectrum, and operational expertise will enable Amazon Leo to add Direct-to-Device ...

The metasurface is an ultra-thin resonant element with special physical properties. A good example of such an innovation is seen in the thermally based photon-detector project at Duke University, ...

Harvard researchers built a racetrack-shaped quantum cascade laser that makes bright, stable, mid-infrared frequency combs on a chip.

Many current wireless communication, imaging and sensing technologies rely on components that convert oscillating electric and magnetic fields (i.e., electromagnetic waves) into electrical signals.

A U.S. soldier sets up the Beast+ system at the Joint Multinational Readiness Center on Hohenfels Training Area, Hohenfels, Germany, May 7, 2025. (Pfc. Carlos Marquez/U.S. Army) As the U.S. Army ...

The technique of electromagnetic characterization of materials in free space allows for the measurement of constitutive properties without making contact with the material being measured.

Abstract: Wireless power transfer (WPT) systems offer a convenient method for charging devices without electrical contact, but they generate electromagnetic interference (EMI) noise, posing safety, ...

Diagram of the electromagnetic spectrum, with visible spectrum and light highlighted separately. The full range of electromagnetic radiation, organized by frequency in Hertz and wavelength in meter.