The 8YSZ coating was prepared by atmospheric plasma spraying technology with the feedstock powder. Through a waveguide method and infrared emissivity measurement instrument, the microwave absorbing ...

With all the advances in solid-state communications — from long-wavelength, very low-frequency radio waves that talk to submerged submarines, to short-wavelength, very high-frequency light waves that ...

A multi-institutional team of optoelectronic and materials engineers in China has developed a type of metamaterial that is nearly invisible across visible light, microwave and infrared spectra. In ...

With a flick of a switch, current technologies allow you to quickly change materials from being dark to light, or cold to hot, just by blocking or transmitting specific wavelengths. But now, inspired ...

Modern technology uses many frequencies of electromagnetic radiation for communication, including radio waves, TV signals, microwaves and visible light. Now, a University of Utah study shows how ...

Safe distance: Urs Schneider demonstrates the remote access checker. (Courtesy: Robert Bosch Hospital/Christoph Schmidt) A system that checks from a safe distance whether someone is displaying ...