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Topic: Heinrich Rudolf Hertz


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In the News (Sun 29 Nov 09)

  
  Heinrich Rudolf Hertz - LoveToKnow 1911
HEINRICH RUDOLF HERTZ (1857-1894), German physicist, was born at Hamburg on the 22nd of February 1857.
Hertz himself gave an admirable account of the significance of his discoveries in a lecture on the relations between light and electricity, delivered before the German Society for the Advancement of Natural Science and Medicine at Heidelberg in September 1889.
In 1889 Hertz was appointed to succeed R. Clausius as ordinary professor of physics in the university of Bonn.
www.1911encyclopedia.org /Heinrich_Rudolf_Hertz   (566 words)

  
 Heinrich Rudolf Hertz Summary
Born on February 22, 1857, in Hamburg, Heinrich Hertz was the oldest of the five children of Gustav Hertz, a lawyer and later a senator and the head of the judiciary of the city of Hamburg, and Elizabeth Pfefferkorn Hertz.
Hertz was born in Hamburg, Germany, to Gustav Ferdinand Hertz, whose father converted from Judaism to Lutheranism and married into a Lutheran family, and Anna Elisabeth Pfefferkorn, herself a Lutheran.
Hertz, however, did not contribute much to the field himself except for some early articles as an assistant to Helmholtz in Berlin, including research on the evaporation of liquids, a new kind of hygrometer, and a graphical means of determining the properties of moist air when subjected to adiabatic changes.
www.bookrags.com /Heinrich_Rudolf_Hertz   (5565 words)

  
 Heinrich Hertz - MSN Encarta
Heinrich Rudolf Hertz was born in Hamburg and educated at the University of Berlin.
Hertz clarified and expanded the electromagnetic theory of light that had been put forth by the British physicist James Clerk Maxwell in 1873.
Hertz proved that electricity can be transmitted in electromagnetic waves, which travel at the speed of light and which possess many other properties of light.
encarta.msn.com /encyclopedia_761568022/Heinrich_Hertz.html   (144 words)

  
 Hertz Information - hertz car rental
The heinrich rudolf hertz hertz (symbol: when was heinrich hertz born heinrich hertz a scientist Hz) is the SI unit of hertz car hire frequency.
It is named in honour hertz equipment rental of the German physicist cameron car rental for hertz hertz hertz truck rental Heinrich history of heinrich hertz Rudolf hertz gold hertz rent car Hertz who made hertz rentals important hertz car rental scientific contributions to electromagnetism.
The unit may be applied heinrich hertz to any periodic hertz rental truck event – for example, a clock might bibliography of heinrich hertz be said to tick ask about heinrich hertz at 1 Hz, or a human heart might be gustav ludwig hertz said to beat hertz equipment at 1.2 Hz.
www.inanot.com /Ina-Electronics_Topics_G_-_H-/Hertz.html   (310 words)

  
 Adventures in CyberSound: Hertz, Heinrich Rudolph
One of them--the discovery of electromagnetic radiation--was the achievement of Heinrich Hertz, a German physicist.
Heinrich Rudolf Hertz was born in Hamburg, Germany, on Feb. 22, 1857.
Heinrich Hertz, a German physicist who was born in 1857 and died of blood poisoning in 1894 at the age of 37, applied Maxwell's theories to the production and reception of radio waves.
www.acmi.net.au /AIC/HERTZ_BIO.html   (1134 words)

  
 Heinrich Rudolph Hertz
Heinrich Rudolf Hertz was born in Hamburg, Germany.
In 1889 Hertz was appointed professor of physics at the University of Bonn.
Hertz opened the way for the development of radio, television, and radar with his discovery of electromagnetic waves between 1886 and 1888.
www.corrosion-doctors.org /Biographies/HertzBio.htm   (405 words)

  
 Inventor Heinrich Hertz
Heinrich Rudolf Hertz, German physicist, born in Hamburg, and educated at the University of Berlin.
Hertz proved that electricity can be transmitted in electromagnetic waves, which travel at the speed of light and which possess many other properties of light.
Heinrich Rudolf Hertz was the first to broadcast and receive radio waves in the laboratory.
www.ideafinder.com /history/inventors/hertz.htm   (833 words)

  
 Hertz   (Site not responding. Last check: 2007-10-04)
In 1885, at the age of 28, Heinrich Hertz was appointed professor of physics at the Karlsruhe University.
A portrait of Heinrich Hertz is one of the 56 portraits, in relief, of eminent citizens of Hamburg, on the columns in the entrance hall of the Rathaus (Town Hall).
Heirnrich Hertz' nephew Gustav Ludwig Hertz was a 1925 Nobel Prize winner in Physics (together with James Franck) "for their discovery of the laws governing the impact of an electron upon an atom" and Gustav's son Carl Hellmuth Hertz invented medical ultrasonography and ink jet printing.
chem.ch.huji.ac.il /~eugeniik/history/hertz.htm   (2053 words)

  
 Heinrich Rudolf Hertz   (Site not responding. Last check: 2007-10-04)
Hertz (1857-94) was a German physicist, born in Hamburg, and educated at the University of Berlin.
Hertz clarified and expanded the electromagnetic theory of light that had been put forth by the British physicist James Clerk Maxwell in 1884.
Hertz also noted that electrical conductors reflect the waves and they can be focused by concave reflectors.
campus.murraystate.edu /tsm/tsm118/Appendix/hertz.htm   (289 words)

  
 Smart Computing Encyclopedia Entry - Heinrich Rudolf Hertz
Heinrich Rudolf Hertz proved electricity could move through electromagnetic waves, and the measurement of this frequency is named after him.
In computers, Hertz is used to measure the transmission speed in a computer’s internal clock.
In 1888, Hertz discovered radio waves by realizing that the principles of electricity first initiated by British scientist James Clerk Maxwell could be applied to waves traveling through air.
www.smartcomputing.com /editorial/dictionary/detail.asp?guid=&searchtype=&DicID=17578&RefType=Encyclopedia   (235 words)

  
 Heinrich Rudolf Hertz - Wikipedia, the free encyclopedia
Hertz was born in Hamburg, Germany, to Gustav Ferdinand Hertz, whose father converted from Judaism to Lutheranism and married into a Lutheran family, and Anna Elisabeth Pfefferkorn, herself a Lutheran.
Hertz had always had a deep interest in meteorology probably derived from his contacts with Willhelm von Bezold (he was Hertz's professor in a laboratory course at the Munich Polytechnic in the summer of 1878).
Hertz, however, did not contribute much to the field himself except for some early articles as an assistant to Helmholtz in Berlin, including research on the evaporation of liquids, a new kind of hygrometer, and a graphical means of determining the properties of moist air when subjected to adiabatic changes.
en.wikipedia.org /wiki/Heinrich_Rudolf_Hertz   (1401 words)

  
 Heinrich Hertz: The Discovery of Radio Waves
Hertz used a piece of copper wire 1 mm thick bent into a circle of diameter 7.5 cm, with a small brass sphere on one end, and the other end of the wire was pointed, with the point near the sphere.
Hertz’s more advanced experiments, mentioned above, require some extra ability and knowledge, and in order to perform these experiments successfully the students are also required to be able to read and understand a few books by Hertz or about Hertz listed in the resource section.
Heinrich Hertz, Electric waves: Being researches on the propagation of electric action with finite velocity through space.
www.juliantrubin.com /bigten/hertzexperiment.html   (530 words)

  
 [No title]   (Site not responding. Last check: 2007-10-04)
Heinrich Rudolf Hertz was born in 1857 in Hamburg, Germany.
Hertz's subsequent experiments involving metal penetration by cathode rays led him to the conclusion that cathode rays are waves rather than particles.
Hertz died of blood poisoning at the age of 36.
www.brookscole.com /physics_d/templates/student_resources/003026961X_serway/essays/hertz.html   (165 words)

  
 Buildings Integral to the Former Life and/or Persecution of Jews in Hamburg   (Site not responding. Last check: 2007-10-04)
Heinrich Hertz was born to a Jewish father, who had converted to Christianity.
In 1889, Hertz was appointed professor of physics at the University of Bonn, where he continued his research on the discharge of electricity in rarefied gases.
In 1925 Gustav Hertz was appointed professor of physics at the University of Halle and in 1928 professor of physics at the Technische Hochschule in Berlin.
www1.uni-hamburg.de /rz3a035/hertz.html   (804 words)

  
 Hertz - Engineering - A Wikia wiki
The hertz (symbol: Hz) is the SI unit of frequency.
It is named in honor of the German physicist Heinrich Rudolf Hertz who made important scientific contributions to electromagnetism.
The name hertz was adopted by the CGPM (Conférence générale des poids et mesures) in 1960, replacing the previous name for the unit, cycles per second (cps), along with its related multiples, primarily kilocycles (kc) and megacycles (mc).
engineering.wikia.com /wiki/Hertz   (220 words)

  
 IEC - Techline > Hertz, Heinrich
Heinrich Rudolf Hertz came from a family in Hamburg.
At first Hertz aimed to be an engineer and served a year with a railway regiment in Berlin, but after a year at the University of Munich he chose to pursue academic physics instead.
Hertz demonstrated electromagnetic induction to his students using a condenser discharging through an open loop.
www.iec.ch /cgi-bin/tl_to_htm.pl?section=person&item=41   (390 words)

  
 Physicists biographies   (Site not responding. Last check: 2007-10-04)
Heinrich Rudolf Hertz was born on 22 February, 1857, in Hamburg.
Then Heinrich Hertz went to Frankfurt to gain practical experience in engineering and after a year of military service with a railway regiment in Berlin (1876-77) he spent a year at the University of Munich.
In 1888, in a corner of his physics classroom at the Karlsruhe Polytechnic in Berlin, Hertz generated electric waves using an electric circuit; the circuit contained a metal rod that had a small gap at its midpoint, and when sparks crossed this gap violent oscillations of high frequency were set up in the rod.
phisicist.info /hertz.html   (1475 words)

  
 IEEEVM: Heinrich Hertz   (Site not responding. Last check: 2007-10-04)
Hertz was born in Hamburg, Germany on 22 February 1857, the oldest of four children.
Hertz theorized that the spark discharge from a Leyden jar was a series of high-frequency oscillations instead of a simple, one-way flow of electricity.
Hertz also researched electric discharges in gases and hoped to discover whether cathode rays (which were later renamed electrons) were beams of particles or whether they were electromagnetic waves.
www.ieee-virtual-museum.org /collection/people.php?taid=&id=1234576&lid=1   (348 words)

  
 Heinrich Rudolf Hertz | hertz - jednotka frekvence | životopis
Heinrich Rudolf Hertz aplikoval Maxwelovy teorie na tvorbu a příjem rádiových vln (1886-1889).
Heinrich Hertz dokázal, že se elektromagnetické vlny, šířící se rychlostí světla, mohou odrážet, lámat a polarizovat jako světlo.
Heinrich Rudolf Hertz objevil v roce 1887 fotoelektrický jev.
www.converter.cz /fyzici/hertz-heinrich.htm   (209 words)

  
 Familiengrab Hertz
Heinrich Hertz wurde in Hamburg noch ein VIEL größeres Denkmal gewidmet: der Hamburger Fernsehturm trägt seinen Namen.
Februar wird Heinrich Rudolf Hertz in Hamburg geboren.
Januar 1894 verstirbt Hertz in Bonn an einer Sepsis.
homepages.compuserve.de /fmatth01/Ohlsdorf/HeinrichHertz.htm   (1428 words)

  
 Buildings Integral to the Former Life and/or Persecution of Jews in Hamburg
Gustav Ferdinand Hertz, father of the prematurely deceased Heinrich Hertz, conveyed his "deep felt" gratitude to the School Authority for the honour of having the school named after his son, and for installing a bust of Heinrich Hertz in the school.
Heinrich Rudolf Hertz was born on 22nd February 1857 in Hamburg.
Gustav Ludwig Hertz born on 22.07.1887 in Hamburg was a nephew of Heinrich Hertz.
www1.uni-hamburg.de /rz3a035/bundesstrasse1.html   (2622 words)

  
 HEINRICH RUDOLF HERTZ ... - Online Information article about HEINRICH RUDOLF HERTZ ...
RUDOLF (otherwise known as Basso NOROK and Gannon)
discovery, Hertz was the first who actually succeeded in supplying it, in 1887.
In 1889 Hertz was appointed to succeed R.
encyclopedia.jrank.org /HEG_HIG/HERTZ_HEINRICH_RUDOLF_1857_1894.html   (1140 words)

  
 Heinrich Rudolf Hertz (1857 - 1894)   (Site not responding. Last check: 2007-10-04)
Heinrich Rudolf Hertz nasceu em Hamburgo, em 22 de fevereiro de 1857, filho de renomado advogado.
Para isso, Hertz idealizou e construiu um dispositivo dotado de uma grade de fios metálicos, que, quando atingido por ondas eletromagnéticas, as polarizava.
Apesar de Hertz não ter tido sucesso nessa empresa, uma versão atualizada de seu princípio encontrou posteriormente aplicação na teoria einsteiniana da gravitação.
br.geocities.com /saladefisica9/biografias/hertz.htm   (1382 words)

  
 Entertainment - Text
Heinrich Hertz - first to detect radio waves in 1887 by causing a spark to leap across a gap that generated electromagnetic waves - built oscillator and resonator by 1893.
Hertz also observed that his device made better sparks when exposed to ultraviolet radiation, a result of the photoelectric phenomenon caused by energetic photons knocking electrons off a metal surface.
The unit is named in honor of the German physicist Heinrich Rudolf Hertz, who first demonstrated the nature of electromagnetic wave propagation.
web.njit.edu /~aaj6/hertz.html   (416 words)

  
 Science Fair Projects - Heinrich Rudolf Hertz
Heinrich Rudolf Hertz (February 22, 1857 - January 1, 1894), was the German physicist for whom the hertz, the SI unit of frequency, is named.
Hertz was born in Hamburg, Germany, to a Jewish family that had converted to Christianity.
His nephew Gustav Ludwig Hertz was a Nobel Prize winner, and Gustav's son Carl Hellmuth Hertz invented medical ultrasonography.
www.all-science-fair-projects.com /science_fair_projects_encyclopedia/Heinrich_Rudolf_Hertz   (459 words)

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