thermionic tube
101Timeline of historic inventions — The timeline of historic inventions is a chronological list of particularly important or significant technological inventions. Note: Dates for inventions are often controversial. Inventions are often invented by several inventors around the same… …
102List of historic technological nomenclature — Below is a list of historic technological nomenclature. Included items are important technical terminology and a system of words used to name things in a particular process, method, or device in history. As technologies evolves, names are… …
103Ion thruster — An ion thruster is a form of electric propulsion used for spacecraft propulsion that creates thrust by accelerating ions. Ion thrusters are characterized by how they accelerate the ions, using either electrostatic or electromagnetic force.… …
104Maxwell's demon — In the philosophy of thermal and statistical physics, Maxwell s demon is a thought experiment created by the Scottish physicist James Clerk Maxwell to show that the Second Law of Thermodynamics has only a statistical certainty. [1] It… …
105Varistor — A 385 volt metal oxide varistor A varistor is an electronic component with a diode like nonlinear current–voltage characteristic. The name is a portmanteau of variable resistor. Varistors are often used to protect circuits against excessive… …
106Coherer — Metal filings coherer The coherer was a primitive form of radio signal detector used in the first radio receivers during the wireless telegraphy era at the beginning of the twentieth century. Invented around 1890 by French scientist Édouard… …
107Oskar Heil — (1908, in Langwieden/Rhineland Palatinate – 1994) was a German electrical engineer and inventor. He studied physics, chemistry, mathematics, and music at the Georg August University of Göttingen and was awarded his PhD in 1933, for his work on… …
108Thyratron — Un thyratron est un type de tube à gaz utilisé comme interrupteur pour les fortes puissances. Ce tube peut prendre la forme d une triode, d une tétrode ou d une pentode, bien que la plupart soient des triodes. Les gaz utilisés peuvent aller de la …
109Cathode — Diagram of a copper cathode in a galvanic cell (e.g., a battery). A positive current i flows out of the cathode (CCD mnemonic: Cathode Current Departs). A cathode is an electrode through which electric current flows out of a polarized electrical… …
110Irving Langmuir — Infobox Scientist name = Irving Langmuir image size = 180px birth date = birth date|1881|1|31 birth place = Brooklyn, New York death date = death date and age|1957|8|16|1881|1|31 death place = Woods Hole, Massachusetts nationality = United States …
