Posts Tagged ‘perfection0mg’
Use and Care of Gage Blocks
August 11, 20192019 redefinition of the SI base units – Wikipedia
June 22, 2019https://en.wikipedia.org/wiki/2019_redefinition_of_the_SI_base_units Kg in terms of photon energy and time
time – Why is a second equal to the duration of exactly 9,192,631,770 periods of radiations? – Physics Stack Exchange
May 26, 2019Second – Wikipedia
May 26, 2019Units of Measurement | Boundless Chemistry
May 26, 2019https://courses.lumenlearning.com/boundless-chemistry/chapter/units-of-measurement/
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What are the 7 fundamental units?
The SI system, also called the metric system, is used around the world. There are seven basic units in the SI system: the meter (m), the kilogram (kg), the second (s), the kelvin (K), the ampere (A), the mole (mol), and the candela (cd).
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William Shockley – Wikipedia
May 16, 2019https://en.wikipedia.org/wiki/William_Shockley
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William Bradford Shockley Jr. (February 13, 1910 – August 12, 1989) was an American physicist and inventor. Shockley was the manager of a research group at Bell Labs that included John Bardeen and Walter Brattain. The three scientists were jointly awarded the 1956 Nobel Prize in Physics for “their researches on semiconductors and their discovery of the transistoreffect”.
As a result of Shockley’s attempts to commercialize a new transistor design in the 1950s and 1960s, California’s “Silicon Valley” became a hotbed of electronics innovation. In his later life, Shockley was a professor of electrical engineering at Stanford University and became a proponent of eugenics.[1][2]
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