Radio — is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of… … Wikipedia
Over the Edge Vol. 7: Time Zones Exchange Project — Compilation album (Edited Radio Show) by Negativland Released 1994 Recorded … Wikipedia
Radio astronomy — is a subfield of astronomy that studies celestial objects at radio frequencies. The field originated from the discovery that many astronomical objects emit radiation in the radio wavelengths as well as optical ones. The great advances in radio… … Wikipedia
Fiber-optic communication — An optical fiber junction box. The yellow cables are single mode fibers; the orange and blue cables are multi mode fibers: 50/125 µm OM2 and 50/125 µm OM3 fibers respectively. Fiber optic communication is a method of transmitting information from … Wikipedia
Radio-controlled aircraft — A radio controlled aircraft (often called RC aircraft or RC plane) is a model aircraft that is controlled remotely, typically with a hand held transmitter and a receiver within the craft. The receiver controls the corresponding servos that move… … Wikipedia
Fiber laser — A fiber laser or fibre laser is a laser in which the active gain medium is an optical fiber doped with rare earth elements such as erbium, ytterbium, neodymium, dysprosium, praseodymium, and thulium. They are related to doped fiber amplifiers,… … Wikipedia
Radio-controlled helicopter — Nitro powered Align T Rex 600 NSP Electric powered Venom Ai … Wikipedia
Radio network — Not to be confused with Radio syndication. There are two types of radio networks currently in use around the world: the one to many broadcast type commonly used for public information and mass media entertainment; and the two way type used more… … Wikipedia
Radio Network Controller — The Radio Network Controller (or RNC) is the governing element in the UMTS radio access network (UTRAN) responsible for control of the Node Bs, that is to say the base stations which are connected to the controller. The RNC carries out radio… … Wikipedia
Radio telescope — A radio telescope is a form of directional radio antenna used in radio astronomy and in tracking and collecting data from satellites and space probes. In their astronomical role they differ from optical telescopes in that they operate in the… … Wikipedia