The theory describes how bundles of electromagnetic energy known as photons interact with matter.

The project aims to design a device that can attract one satellite to another or drive them apart, using electromagnetic energy.

A detailed 'map' of the subsurface was created on computers using data from ground-penetrating radar equipment that sends pulses of electromagnetic energy into the earth and detects reflected signals.

Power absorbed by the ohmic resistance becomes waste heat, and that absorbed by the radiation resistance becomes radiated electromagnetic energy.

This heating effect varies with the power and the frequency of the electromagnetic energy.

For example, radar can provide an electromagnetic signal for following aircraft motion.

The data are represented as an electromagnetic signal, such as an electrical voltage, radiowave, microwave, or infrared signal.

Soft-touch shutter release occurs via an electromagnetic signal.

He was asked to hold two brass cylinders to record the response of his body to electromagnetic signals.

Over galactic distances, the interstellar medium induces some scintillation effects and artificial modulation of electromagnetic signals.