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IEEE Heinrich Hertz Medal print that page

The IEEE Heinrich Hertz Medal was a science award presented by the IEEE for outstanding achievements in the field of electromagnetic waves . The medal was named in honour of German physicist Heinrich Hertz , and was first proposed in 1986 by IEEE Region 8 ( Germany ) as a centennial recognition | 2011/9/17 14:03:19

Heinrich Hertz Submillimeter Telescope print that page


The Submillimeter Telescope ( SMT ), formerly known as the Heinrich Hertz Submillimeter Telescope , is a submillimeter wavelength radio telescope located on Mount Graham , Arizona . It is a 10-meter-wide parabolic dish inside a building to protect it from bad weather. The building front

Invention of radio print that page


Within the history of radio , several people were involved in the invention of radio and there were many key inventions in what became the modern systems of wireless . [ 1 ] [ 2 ] [ 3 ] Radio development began as " wireless telegraphy ". [ 1 ] [ 4 ] During the early development of wireless

Hans Heinrich Landolt print that page


Konrad Beilstein, 1838–1906; Emil Erlenmeyer, 1825–1909; Rudolph Fittig, 1835–1910; Hans Heinrich Landolt, 1831–1910; Nikolai Alexandrovitsch Menschutkin, 1842–1907; Sir Walter Palmer, Bart., 1858–1910". J. Chem. Soc., Trans. 99 : 1646–1668. doi :

Hertz print that page

Hertz Unit system : SI derived unit Unit of... Frequency Symbol: Hz Named after: Heinrich Hertz In SI base units : 1 Hz = 1/ s Even though angular velocity , angular frequency and hertz all have the dimensions of 1/s , angular velocity and angular frequency are not | 2011/9/20 1:06:34

Heinrich von Kleist print that pageTimeline of Heinrich von Kleist


of absence he visited Paris and then settled in Switzerland. Here he found congenial friends in Heinrich Zschokke and Ludwig Friedrich August Wieland (d. 1819), son of the poet Christoph Martin Wieland ; and to them he read his first drama, a gloomy tragedy, The Schroffenstein Family (1803

History of radar print that page


The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell 's seminal work on electromagnetism . However, it was not until the early 20th century

History of electromagnetic theory print that page


The history of electromagnetism (including its use) dates back over several thousand years. In the history of electromagnetic theory , the ancients would have been acquainted with the effects of atmospheric electricity , in particular lightning [ 1 ] as thunderstorms in most southern latitudes

Wireless telegraphy print that page


Wireless', or Space Telegraphy's, detailed history and growth of the art includes the work of Tesla, Lodge, Marconi, Braun, Fessenden, Fleming, De Forest and many others. Radio telegraphy is described in books written with this professed purpose; in fact a book of considerable dimensions is

Crookes tube print that page


cathode to the anode . It was used by Crookes, Johann Hittorf , Juliusz Plücker, Eugen Goldstein , Heinrich Hertz , Philipp Lenard and others to discover the properties of cathode rays, culminating in J. J. Thomson 's 1897 identification of cathode rays as negatively-charged particles,