![Презентация на тему: "What is radio? Radio is the transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic.". Скачать бесплатно и без регистрации. Презентация на тему: "What is radio? Radio is the transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic.". Скачать бесплатно и без регистрации.](http://images.myshared.ru/6/778078/slide_3.jpg)
Презентация на тему: "What is radio? Radio is the transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic.". Скачать бесплатно и без регистрации.
![English: Drawing of an early demonstration Lecher line apparatus, from a 1902 catalog of scientific equipment. It is very similar to the first Lecher line built by Austrian physicist Ernst Lecher English: Drawing of an early demonstration Lecher line apparatus, from a 1902 catalog of scientific equipment. It is very similar to the first Lecher line built by Austrian physicist Ernst Lecher](https://c8.alamy.com/comp/MX7M4D/english-drawing-of-an-early-demonstration-lecher-line-apparatus-from-a-1902-catalog-of-scientific-equipment-it-is-very-similar-to-the-first-lecher-line-built-by-austrian-physicist-ernst-lecher-in-1888-a-lecher-line-is-a-pair-of-parallel-wires-or-rods-that-were-used-to-measure-the-wavelength-of-radio-waves-in-this-example-the-radio-waves-are-generated-by-the-hertzian-spark-gap-oacillator-right-and-sent-down-the-lecher-line-the-pair-of-parallel-wires-to-the-left-the-lecher-line-forms-a-length-of-balanced-transmission-line-along-which-the-waves-travel-at-the-speed-of-light-at-the-le-MX7M4D.jpg)
English: Drawing of an early demonstration Lecher line apparatus, from a 1902 catalog of scientific equipment. It is very similar to the first Lecher line built by Austrian physicist Ernst Lecher
![Scientists are stumped by extragalactic fast burst radio waves | Alien life forms, Radio wave, Waves Scientists are stumped by extragalactic fast burst radio waves | Alien life forms, Radio wave, Waves](https://i.pinimg.com/originals/4f/04/a8/4f04a8b4d8fd81616485f15fc01ee30d.jpg)
Scientists are stumped by extragalactic fast burst radio waves | Alien life forms, Radio wave, Waves
![Illustration depicting Heinrich Hertz's oscillator and reflecting metal sheets to show outward and return paths of electromagnetic (radio) waves. Heinrich Hertz (1857-1894) a German physicist who first conclusively proved the existence of Illustration depicting Heinrich Hertz's oscillator and reflecting metal sheets to show outward and return paths of electromagnetic (radio) waves. Heinrich Hertz (1857-1894) a German physicist who first conclusively proved the existence of](https://c8.alamy.com/comp/MR3D94/illustration-depicting-heinrich-hertzs-oscillator-and-reflecting-metal-sheets-to-show-outward-and-return-paths-of-electromagnetic-radio-waves-heinrich-hertz-1857-1894-a-german-physicist-who-first-conclusively-proved-the-existence-of-the-electromagnetic-waves-theorised-by-james-clerk-maxwells-electromagnetic-theory-of-light-dated-20th-century-MR3D94.jpg)
Illustration depicting Heinrich Hertz's oscillator and reflecting metal sheets to show outward and return paths of electromagnetic (radio) waves. Heinrich Hertz (1857-1894) a German physicist who first conclusively proved the existence of
![Illustration depicting Heinrich Hertz's oscillator and reflecting metal sheets to show outward and return paths of electromagnetic (radio) waves. Heinrich Hertz (1857-1894) a German physicist who first conclusively proved the existence of Illustration depicting Heinrich Hertz's oscillator and reflecting metal sheets to show outward and return paths of electromagnetic (radio) waves. Heinrich Hertz (1857-1894) a German physicist who first conclusively proved the existence of](https://c8.alamy.com/comp/MR3D8X/illustration-depicting-heinrich-hertzs-oscillator-and-reflecting-metal-sheets-to-show-outward-and-return-paths-of-electromagnetic-radio-waves-heinrich-hertz-1857-1894-a-german-physicist-who-first-conclusively-proved-the-existence-of-the-electromagnetic-waves-theorised-by-james-clerk-maxwells-electromagnetic-theory-of-light-dated-20th-century-MR3D8X.jpg)
Illustration depicting Heinrich Hertz's oscillator and reflecting metal sheets to show outward and return paths of electromagnetic (radio) waves. Heinrich Hertz (1857-1894) a German physicist who first conclusively proved the existence of
![Cosmic Search Issue 12 Page 8 - The First 50 Years of Radio Astronomy, Part 1: Karl Jansky and His Discovery of Radio Waves from Our Galaxy by John Kraus Cosmic Search Issue 12 Page 8 - The First 50 Years of Radio Astronomy, Part 1: Karl Jansky and His Discovery of Radio Waves from Our Galaxy by John Kraus](http://www.bigear.org/CSMO/Images/CS12/cs12p10l.gif)
Cosmic Search Issue 12 Page 8 - The First 50 Years of Radio Astronomy, Part 1: Karl Jansky and His Discovery of Radio Waves from Our Galaxy by John Kraus
![Cosmic Search Issue 12 Page 8 - The First 50 Years of Radio Astronomy, Part 1: Karl Jansky and His Discovery of Radio Waves from Our Galaxy by John Kraus Cosmic Search Issue 12 Page 8 - The First 50 Years of Radio Astronomy, Part 1: Karl Jansky and His Discovery of Radio Waves from Our Galaxy by John Kraus](http://www.bigear.org/CSMO/Images/CS12/cs12p09l.jpg)