Hertz
[hɜːts]
[hɜːts] or [hɝts]
Definition
(noun.) German physicist who with James Franck proved the existence of the stationary energy states postulated by Bohr (1887-1975).
(noun.) German physicist who was the first to produce electromagnetic waves artificially (1857-1894).
(noun.) the unit of frequency; one hertz has a periodic interval of one second.
Inputed by Bess--From WordNet
Examples
- The application was filed May 23, 1885, at the time he was working on induction telegraphy (two years before the publication of the work of Hertz), but the patent (No. Frank Lewis Dyer. Edison, His Life and Inventions.
- Professor Hertz proved in 1888 that a spark, or disruptive discharge of electricity, caused electro-magnetic waves to radiate away in all directions through the ether. Rupert S. Holland. Historic Inventions.
- It was this fact that Professor Hertz discovered, and the waves are sometimes called the Hertzian waves. Rupert S. Holland. Historic Inventions.
- Signor Marconi used the vertical conductors and the Hertz-oscillation principle, and his system is described in his United States patent. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
- Professor Hertz had used a simple form of apparatus to obtain his free ether waves. Rupert S. Holland. Historic Inventions.
- Professor Oliver Lodge named this device of Branly’s a coherer, and when he found that it was more sensitive than the Hertz detector he combined it with the Hertz oscillator. Rupert S. Holland. Historic Inventions.
- His attention was not directed to look for Hertz sparks, or probably he might have found them in the interior. Frank Lewis Dyer. Edison, His Life and Inventions.
Editor: Quentin