LiFi, short for light fidelity, is a wireless communication technology that utilizes visible light or infrared light to transmit data. Developed as an alternative or complementary technology to traditional radio frequency (RF)-based wireless...

A lens made up of a dielectric material that is capable of influencing radio waves much in the same way an optical lens...

An electronic device used to encode video and audio signals of a television camera into radio waves that are broadcast to...

A phenomenon, exploited for medical imaging, in which the nuclei of material placed in a strong magnetic field will absorb...

A modulator is a device or component that modifies a carrier signal in order to encode information for transmission over a...

The gas of charged particles that begins approximately 50 km above the surface of the Earth and contains a sufficient...

Polarization refers to the orientation of oscillations in a transverse wave, such as light waves, radio waves, or other...

A chemical detection technique used to measure molecules that have a magnetic dipole moment. The analysis is directed to...

The transmission of photographic images or pictures by radio waves.

Remote sensing is a method of data collection and observation where information about objects, areas, or phenomena on...

A waveguide is a physical structure or device that is designed to confine and guide electromagnetic waves, such as radio...

A spectral signature, in the context of remote sensing and spectroscopy, refers to the unique pattern or characteristic...

In reference to infrared, emissions that are like radio waves but that have a higher frequency.

A photograph transmitted by radio waves.

The radio waves of the electromagnetic spectrum that have frequencies of up to 10,000 megacycles per second.