All these older methods have, however, been thrown into the background and rendered antiquated by inventions which have grown out of Hertz's scientific investigations on the production of electric waves.
Before the classical researches of Hertz in 1886 and 1887, many observers had noticed curious effects due to electric sparks produced at a distance which were commonly ascribed to ordinary electrostatic or electro-magnetic induction.
Computer users see refresh rate in milliseconds, while TV manufacturers use Hertz.
Electric Waves.-In the decade 1880-1890, the most important advance in electrical physics was, however, that which originated with the astonishing researches of Heinrich Rudolf Hertz (1857-1894).
Fitzgerald was the first to attempt to measure the length of electric waves; Helmholtz put the problem into the hands of his favourite pupil, Heinrich Hertz, and the latter finally gave an experimental demonstration of electromagnetic waves, the "Hertzian waves," on which wireless telegraphy depends, and the velocity of which is the same as that of light.
He then parlayed his popularity into an acting career, a stint as a football broadcaster and spokesman for the Hertz rental car company.
He wasn't surprised that she knew the Hertz's, which could only mean that he knew the situation that brought her to the desert.
Hertz (1883-1885; editio minor, 1886, revised by C. Hosius, 1903, with bibliography).
Hertz and of wireless telegraphy were investigated by him in 1853.
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.
Hertz then devised a wave detecting apparatus called a resonator.
Hertz, have transformed applied mathematics by systematically basing their deductions upon the Law of the conservation of energy, and the hypothesis of an ether pervading space.
Hertz, however, made known in 1887 the experimental proofs that the discharge ' See Telegraphic Journal of London, vol.
Humans can hear sounds in the frequency or pitch range of 20 to 20,000 Hertz (Hz), but most conversations occur between 300 and 3000 Hz.
Imagining that this would interest Hertz and be successfully attacked by him, Helmholtz specially drew his attention to it, and promised him the assistance of the Institute if he decided to work on the subject; but Hertz did not take it up seriously at that time, because he could not think of any procedure likely to prove effective.
In his best pieces Hertz is the most modern and most cosmopolitan of the Danish writers of his time.
In the US the two largest chains Avis and Hertz have begun rollout of hotspots at their major airports.
In this connexion the interesting scheme formulated by Hertz (1894) deserves notice.
It is not uncommon for teenagers to become permanently hearing impaired in the high-frequency range above 4,000 hertz.
It is the number of cycles per second, represented by units as s -1, also called hertz, Hz.
Memorable Hertz commercials featured Simpson running through an airport.
Modern German versions are by Simrock (very close to the original) and Hertz (freer, but with excellent notes and appendices); Eng.
Mrs. Hertz was always talking about a nephew that...
Mrs. Hertz was always talking about a nephew.
Of his premise by heinrich hertz contained similar findings of the royal.
Refresh rates are measured in Hertz (Hz).
She stopped, remembering the photo on the wall in the Hertz cabin.
Sir William Crookes took up in 1872 the study of electric discharge through The Work of Hertz (London, 1894).
Somewhere along this highway I got a cracked windshield, for which Hertz charged me about $ 150.
That said, most of the major car rental companies -- for example, Enterprise, Hertz, and Budget -- are usually safe bets, whereas smaller, lesser known firms might not be as reliable.
The axis data must be the common logarithm of frequency in Hertz.
The best edition of the grammatical works is by Hertz and Keil, in Keil's Grammatici latini, vols.
The evening begins with new comers to the Leeds live scene, 7 Hertz.
The experimental proof, however, was still lacking, and though several experimenters had come very near its discovery, Hertz was the first who actually succeeded in supplying it, in 1887.
The Hertz's had not been blessed with children and were adamant that they would love taking care of the twins.
The only way he could have known was by asking Mrs. Hertz.
The youngest of the great poets born during the last twenty years of the 8th century was Henrik Hertz (q.v.; 1797-1870).
There are modern German translations by Simrock (very close to the original) and Hertz (excellent notes).
These effects, as Hertz showed, indicated the establishment of stationary electric waves in space and the propagation of electric and magnetic force through space with a finite velocity.
Unable to locate him, Cassie had finally agreed to leave the twins with Mr. & Mrs. Hertz, their neighbors.
Vehicle rental Hertz offers a large section of vehicles including 4x4.