Vacuum Tubes facts
While investigating facts about Vacuum Tubes In Computers and Vacuum Tubes Images, I found out little known, but curios details like:
NYC's Roosevelt Island doesn't have a need for garbage trucks and weekly trash pick up. Instead there is an automated vacuum collection. Put your garbage into a porthole and it's transported via underground high speed pneumatic tubes to a centralized location where it's finally picked up.
how vacuum tubes work?
A group of French thieves called the vacuum gang stole 600000 Euros by sucking bills out of safes through those pneumatic tube deposit things with a vacuum.
What are vacuum tubes used for?
In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what invention replaced vacuum tubes. Here are 32 of the best facts about Vacuum Tubes Inc and Vacuum Tubes Canada I managed to collect.
what vacuum tubes do?
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When German WWII U-boats would cruise below the surface with diesel engines running, waves swamping the snorkel tubes would cause the engines to suck air from the boat to keep running, producing a partial vacuum. Crews reported it was very painful, and eardrums were sometimes ruptured.
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Many of the core systems of the New York Transit system are nearly 100 years old. Vacuum tubes, cloth lines, and antiquated switch panels run one of the biggest subway systems in America.
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The microwave oven was invented by accident. In 1945, Percy Spencer, an American self-taught engineer, was working in a lab testing magnetrons, the high-powered vacuum tubes inside radars that produced microwaves, where he noticed a peanut butter candy bar in his pocket had begun to melt
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NASA scientists created a nanoscale vacuum tube that can potentially replace silicon transistors in future electronics
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Their project was to find an alternative to glass vacuum tube amplifiers and Bardeen's theory on surface states was the key to making the project successful.
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In 1910, Georges Claude attempted to create interior home lighting using neon lights in vacuum tubes, but homeowners did not accept the idea due to their color.
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In 1936 he received the Hughes Medal for his discovery of spontaneous current variations in high-vacuum discharge tubes.
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In 1916 he worked at the University of Wurzburg on the development of vacuum tubes to be used in wireless communication.
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Lanthanum has been used in a variety of applications since its discovery, including vacuum tubes, hydrogen alloys, medications, and molecular biology.
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Preceding each code with "ten-" gave the radio transmitter time to reach full power (radios in the 1930s were based on vacuum tubes powered by a small motor-generator called a dynamotor took from 1/10 to 1/4 of a second to "spin up" to full power) because police officers'd forget to wait.
Why vacuum tubes sound better?
You can easily fact check why vacuum tubes eventually fail at microwave frequencies by examining the linked well-known sources.
The chord organ emerged after the spinet organ and was even easier to play than the spinet organ. The chord organs in the 1950s used vacuum-tube technology.
The IBM Combat Direction Central AN/FSQ-7 was a computerized command and control system for Cold War air defense and was largest computer system ever built, weighing 250 tons and requiring 60,000 vacuum tubes. - source
Nikola Tesla inadvertently captured the first X-Ray image while attempting to photograph Mark Twain with a vacuum tube. Twain was blasted with so much radiation that only the metal screw in the lens cap appeared in the picture. - source
Barium is used in the production of vacuum tubes, especially for televisions, by removing noble gases due to its low vapor pressure.
On November 2, 1915 Goddard received a patent for his invention of a vacuum tube that amplified a radio signal.
When vacuum tubes replaced by transistors?
Wilhelm Roentgen discovered X-rays by accident. He was experimenting with some vacuum tubes when he made the discovery.
How vacuum tubes work in computer?
On Roosevelt Island in NY household waste is collected by an automated vacuum collection (AVAC) system using a system of pneumatic tubes; this is the only AVAC system in the United States that serves a residential complex.
In 1907 he patented the Audion which was a thermionic grid-triode vacuum tube capable of transmitting speech and music wirelessly.
Heat-shrink tubing can be made from a plastic tube treated with radiation, heated and expanded with a vacuum on the outside, then rapidly cooled. Next time the tube is heated it will shrink back towards its original dimensions.
There really are B batteries, most commonly used in Europe, as well as A, F, and N batteries (plus a different type of B battery that was used for vacuum tube equipment).
The first integrated circuits were made in the 1920's by Loewe and included up to three triodes, tetrodes or pentodes and SEVERAL PASSIVE ELEMENTS in the same vacuum tube enclosure. These devices implemented almost an entire radio receiver in that one enclosure.
