Some of the technological applications of superconductivity include: the production of sensitive magnetometers based on SQUIDs fast digital circuits (including those based on Josephson junctions and rapid single flux quantum technology), powerful superconducting electromagnets used in maglev trains, Magnetic Resonance Imaging (MRI) and Nuclear ...
An antenna (plural antennae or antennas), or aerial, is an electrical device which converts electric power into radio waves, and vice versa. It is usually used with a radio transmitter or radio receiver.
satellite. n. 1. (Astronomy) a celestial body orbiting around a planet or star: the earth is a satellite of the sun. 2. (Astronomy) Also called: artificial satellite a man-made device orbiting around the earth, moon, or another planet transmitting to earth scientific information or used for communication.. 1. (Astronomy) a celestial body orbiting around a planet or star: the earth is a satellite of the sun. 2. (Astronomy) Also called: artificial satellite a man-made device orbiting around the earth, moon, or another planet transmitting to earth scientific information or used for communication.