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English-German dictionary of Electrical Engineering and Electronics. 2013.
English-German dictionary of Electrical Engineering and Electronics. 2013.
Telegraphy — (from the Greek words (τηλε) = far and (γραφειν) = write) is the long distance transmission of written messages without physical transport of letters. Radiotelegraphy or wireless telegraphy transmits messages using radio. Telegraphy includes… … Wikipedia
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
radio — /ray dee oh /, n., pl. radios, adj., v., radioed, radioing. n. 1. wireless telegraphy or telephony: speeches broadcast by radio. 2. an apparatus for receiving or transmitting radio broadcasts. 3. a message transmitted by radio. adj. 4. pertaining … Universalium
Crystal radio — Crystal set redirects here. For the Australian rock band, see The Crystal Set. A modern reproduction of an antique crystal set. It is tuned to different stations by moving the sliding contact (right) up and down the tuning coil (red). The device… … Wikipedia
tel|e|pho|to|graph — «TEHL uh FOH tuh graf, grahf», noun, verb. –n. 1. a picture taken with a camera having a telephoto lens. 2. a picture sent by telegraphy. –v.i. 1. to take a picture with a camera having a telephoto lens. 2. to send a picture by telegraphy or… … Useful english dictionary
List of inventors — This is a list of inventors. See also: List of scientists, Timeline of invention, List of inventions named after people, List of inventors killed by their own inventions, and . Alphabetical list compactTOC NOTOC A * Vitaly Mikhaylovich Abalakov,… … Wikipedia
SMS — This article is about the communication protocol technology. For information about text messaging, see Text messaging. For other uses, see SMS (disambiguation). An SMS message being received … Wikipedia
Donald Beatty — Donald Croom Beatty (April 11, 1900 – July 12, 1980) was an American aviator, explorer, and inventor. Beatty was the son of Isaac Beatty, Jr and Hughie Duffee Beatty of Birmingham, Alabama (USA). He began his flying career as a teenager by… … Wikipedia
Gestapo — Geheime Staatspolizei Plainclothes Gestapo agents during the White Buses operations in 1945 … Wikipedia
Pigeon post — is the use of homing pigeons to carry messages. As a method of communication, it is likely as old as the ancient Persians from whom the art of training the birds probably came. The Romans used pigeon messengers to aid their military over 2000… … Wikipedia
Nikola Tesla — Tesla, aged 37, 1893, photo by Sar … Wikipedia