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Daniel Gabriel Fahrenheit FRS (/ ˈ f ær ə n h aɪ t /; German: [ˈfaːʁn̩haɪt]; 24 May 1686 – 16 September 1736) [1] was a physicist, inventor, and scientific instrument maker, born in Poland to a family of German extraction.
A temperature interval of 1 °F was equal to an interval of 5 ⁄ 9 degrees Celsius. With the Fahrenheit and Celsius scales now both defined by the kelvin, this relationship was preserved, a temperature interval of 1 °F being equal to an interval of 5 ⁄ 9 K and of 5 ⁄ 9 °C. The Fahrenheit and Celsius scales intersect numerically at −40 ...
Video Music Box is an American music television program. The series is the first to feature hip hop videos primarily, [3] [4] and was created in 1983 by Ralph McDaniels and Lionel C. Martin, who also serve as the series' hosts. [1] It aired on the New York City-owned public television station WNYC-TV (now WPXN-TV) from 1984 to 1996.
1709 — Daniel Gabriel Fahrenheit constructed alcohol thermometers which were reproducible (i.e. two would give the same temperature) 1714 — Daniel Gabriel Fahrenheit invents the mercury-in-glass thermometer giving much greater precision (4 x that of Rømer). Using Rømer's zero point and an upper point of blood temperature, he adjusted the ...
For this reason, Music Box stopped being a 24-hour television channel and Virgin set up Music Box as an independent producer of music programmes, continuing to broadcast its shows until the end of September 1987 for ten hours a day on Super Channel. From October 1987 until January 1990, it was reduced from ten hours a day to just a couple of ...
The Box, originally named the Video Jukebox Network, was an American broadcast, cable and satellite television channel that operated from 1985 to 2001. The network focused on music videos, which through a change in format in the early 1990s, were selected by viewer request via telephone; as such, unlike competing networks (such as MTV and VH1), the videos were not broadcast on a set rotation.
A thermometer has two important elements: (1) a temperature sensor (e.g. the bulb of a mercury-in-glass thermometer or the pyrometric sensor in an infrared thermometer) in which some change occurs with a change in temperature; and (2) some means of converting this change into a numerical value (e.g. the visible scale that is marked on a mercury ...
1702 – Guillaume Amontons first calculates absolute zero to be −240 °C using an air thermometer of his own invention (1702), theorizing at this point the gas would reach zero volume and zero pressure. 1714 – Daniel Gabriel Fahrenheit invented the first reliable thermometer, using mercury instead of alcohol and water mixtures