high-frequency starting
101Radioteletype — (RTTY) is a telecommunications system consisting of two or more teleprinters using radio as the transmission medium.The term radioteletype is used to describe:* either the entire family of systems connecting two or more teleprinters over radio,… …
102Twin paradox — In physics, the twin paradox is a thought experiment in special relativity, in which a twin makes a journey into space in a high speed rocket and returns home to find he has aged less than his identical twin who stayed on Earth. This result… …
103Audiophile — An audiophile, from Latin audio [ [http://www.askoxford.com/concise oed/audio audio ] , Compact Oxford Dictionary, Accessed 2007 05 11] I hear and Greek philos [ [http://www.askoxford.com/results/?view=dict freesearch=phile branch=13842570… …
104Mobile phone radiation and health — A man speaking on a mobile telephone The effect of mobile phone radiation on human health is the subject of recent interest and study, as a result of the enormous increase in mobile phone usage throughout the world (as of June 2009 …
105Alexanderson alternator — An Alexanderson alternator is a rotating machine invented by Ernst Alexanderson for the generation of high frequency alternating current up to 100 kHz, for the purpose of radio communication. It is on the list of IEEE Milestones as a key… …
106Waxy corn — (maize) was found in China in 1909. As this plant showed many peculiar traits, the American breeders long used it as a genetic marker to tag the existence of hidden genes in other maize breeding programs. In 1922 a researcher found that the… …
107Shortwave radio — Shortwave can also refer to a shortwave trough meteorology. A solid state, analog shortwave receiver Shortwave radio refers to the upper MF (medium frequency) and all of the HF (high frequency) portion of the radio spectrum, between… …
108Morse code — Chart of the Morse code letters and numerals Morse code is a method of transmitting textual information as a series of on off tones, lights, or clicks that can …
109NBC — This article is about the television network. For NBC Philippines, see Nation Broadcasting Corporation. For other uses, see NBC (disambiguation). National Broadcasting Company (NBC) Type …
110Hawker Typhoon — Typhoon Typhoon Ib EK139 N Dirty Dora of 175 Sqn. being armed with 500 lb (227 kg) concrete practice bombs in late 1943 …
