Astronomers from the University of Turku in Finland and elsewhere have performed a broadband spectral and timing study of an ...

Collaboration has obtained a high-precision cosmic-ray boron spectrum in the energy range of 10 GeV/n–8 TeV/n, and discovered ...

It is possible to make a material emit more radiation than it absorbs, violating the laws of physics in a way that could make energy-harvesting devices more efficient ...

“Scientists have long observed that the capability for a material to absorb electromagnetic radiation — a wave of energy in the form of sunlight and X-rays, among others — at a given wavelength and ...

This article shows that simultaneous exposure to infinite electromagnetic field (EMF) sources from typical base stations transmitting at multiple frequency bands is lower than international limits.

We report measurements and traceability of terahertz wavelength and frequency. Terahertz frequency comb is used for traceability of terahertz frequency. Frequency of a stable source is precisely ...

Unlike typical infrared night-vision goggles, these contact lenses do not require a power source — and they enable the wearer to perceive different infrared wavelengths that show up in various ...