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# Topic: Degree Fahrenheit

###### In the News (Fri 24 May 13)

 Degree Fahrenheit - Wikipedia, the free encyclopedia In this scale, the freezing point of water is 32 degrees (this is written "32 °F"), and the boiling point is 212 degrees Fahrenheit, placing the boiling and melting points of water 180 degrees apart. Thus the unit of this scale, a degree Fahrenheit, is 5/9ths of a kelvin (which is a degree Celsius), and minus 40 degrees Fahrenheit is equal to minus 40 degrees Celsius. Fahrenheit noted that his scale placed the freezing point of water at 32 °F and the boiling point at 212 °F, a neat 180 degrees apart. en.wikipedia.org /wiki/Fahrenheit   (908 words)

 Fahrenheit In this scale, the freezing point of water is 32 degrees Fahrenheit (written 32°F), and the boiling point is 212 degrees, placing the boiling and melting points of water 180 degrees apart. Thus the unit of this scale, a degree Fahrenheit, is 5/9ths of a kelvin (or of a degree Celsius), and -40 degrees Fahrenheit is equal to -40 degrees Celsius. Fahrenheit established the zero of his scale (0°F) as the temperature at which an equal mixture of ice and salt melts (some say he took that fixed mixture of ice and salt that produced the lowest temperature); and ninety-six degrees as the temperature of blood (he initially used horse's blood to calibrate his scale). www.sciencedaily.com /encyclopedia/fahrenheit   (439 words)

 Encyclopedia: Fahrenheit   (Site not responding. Last check: 2007-10-08) There are several competing versions of the story of how Fahrenheit came to devise his temperature scale. Fahrenheit 451 book cover Fahrenheit 451 (1953) is a dystopian fiction novel by Ray Bradbury that was originally published as a shorter novella in the February 1951 issue of Galaxy Science Fiction. The degree Celsius (symbol: Â°C) is an SI unit of temperature. www.nationmaster.com /encyclopedia/Fahrenheit   (1831 words)

 Fahrenheit - Open Encyclopedia   (Site not responding. Last check: 2007-10-08) Thus the unit of this scale, a degree Fahrenheit, is 5/9ths of a kelvin (or of a degree Celsius), and −40 degrees Fahrenheit is equal to −40 degrees Celsius. Fahrenheit established the zero of his scale (0 °F) as the temperature at which an equal mixture of ice and salt melts (some say he took that fixed mixture of ice and salt that produced the lowest temperature); and ninety-six degrees as the temperature of blood (he initially used horse's blood to calibrate his scale). In the United States and Jamaica, Fahrenheit continues to be used by the general population for everyday, non-scientific temperature measurement. open-encyclopedia.com /Fahrenheit   (300 words)

 DEGREE - Definition The degree of bachelor (of arts, science, divinity, law, etc.) is conferred upon those who complete a prescribed course of undergraduate study. The degree of a power, or radical, is denoted by its index, that of an equation by the greatest sum of the exponents of the unknown quantities in any term; thus, ax^{4} + bx^{2} = c, and mx^{2}y^{2} + nyx = p, are both equations of the fourth degree. {Degree of longitude}, the distance on a parallel of latitude between two meridians that make an angle of one degree with each other at the poles -- a distance which varies as the cosine of the latitude, being at the equator 69.16 statute miles. www.hyperdictionary.com /dictionary/degree   (846 words)

 Fahrenheit   (Site not responding. Last check: 2007-10-08) Fahrenheit is a temperature scale named after the German physicist Gabriel Fahrenheit (1686-1736), who proposed it in 1724. His measurements were not entirely accurate, though; by his original scale, the actual freezing and boiling points would have been noticeably different from 32 °F and 212 °F. Some time after his death, it was decided to recalibrate the scale with 32 °F and 212 °F being the actual freezing and boiling points of plain water. This resulted in the healthy human body temperature being 98.6 °F degrees rather than 96 °F. The Fahrenheit scale was widely used in many English-speaking countries until the Celsius (formerly centigrade) scale was adopted in the late 1960s and 1970s. www.yotor.com /wiki/en/fa/Fahrenheit.htm   (339 words)

 Daniel Gabriel Fahrenheit   (Site not responding. Last check: 2007-10-08) Fahrenheit spent most of his life in the Netherlands, where he devoted himself to the study of physics and the manufacture of precision meteorological instruments. Fahrenheit temperature scale, scale based on 32 degree for the freezing point of water and 212 degree for the boiling point of water, the interval between the two being divided into 180 parts. Until the 1970s the Fahrenheit scale was in general common use in the English-speaking countries; the Celsius, or centigrade, scale was employed in most other countries and for scientific purposes worldwide. chem.oswego.edu /chem209/Misc/fahrenheit.htm   (213 words)

 Species Selection Information System The date of occurrence of the last 32 degree Fahrenheit temperature (0 degrees C) observation in spring was based on the median, mean, and extreme dates of such occurrence from 30 years of daily minimum temperature values, respectively. The date of occurrence of the first 32 degree Fahrenheit temperature (0 degrees C) observation in autumn was based on the median, mean, and extreme dates of such occurrence from 30 years of daily minimum temperature values, respectively. The length of the freeze-free period was based on the difference between the median and mean dates, respectively, of the last 32 degree Fahrenheit temperature in spring (element 1) and the first 32 degree Fahrenheit temperature in autumn (element 2). forages.oregonstate.edu /is/ssis/main.cfm?PageID=71   (500 words)

 Math Forum - Ask Dr. Math   (Site not responding. Last check: 2007-10-08) Fahrenheit set 0 degrees at the coldest temperature he could conveniently achieve using an ice and salt mixture, and he intended to set 100 degrees at the temperature of the human body. 1 degree Fahrenheit equals 5/9 degrees Celsius, but in converting between scales we have to be careful to adjust the zero points as well. To convert a temperature in degrees Fahrenheit to the Celsius scale, we must first subtract 32 degrees and then multiply by 5/9. mathforum.org /library/drmath/view/58487.html   (392 words)

 Fahrenheit -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-08) Fahrenheit is a (The degree of hotness or coldness of a body or environment (corresponding to its molecular activity)) temperature scale named after the (A person of German nationality) German (A scientist trained in physics) physicist (Click link for more info and facts about Gabriel Fahrenheit) Gabriel Fahrenheit (1686–1736), who proposed it in 1724. Similarly, in parts of (An island comprising England and Scotland and Wales) Great Britain, Fahrenheit is still used by some people for everyday, non-scientific measurement of warmer temperatures, while cooler temperatures are more often measured in degrees Celsius. And in (A nation in northern North America; the French were the first Europeans to settle in mainland Canada) Canada, although the media is required to report temperatures in degrees Celsius, older Canadians still "feel" the temperatures more subjectively in degrees Fahrenheit. www.absoluteastronomy.com /encyclopedia/f/fa/fahrenheit.htm   (251 words)

 Units: D The Clark degree is defined as 1 part of calcium carbonate per 70 000 parts of water; this is about 14.3 parts per million (ppm), 17.1 mg/L, or 1 grain per gallon (gpg, another popular measure of hardness). The number of degree days recorded on a given date is equal to the difference between 65 and the mean temperature for that date (figured as the average of the highest and lowest temperatures). Fahrenheit set 0° at the coldest temperature he could conveniently achieve using an ice and salt mixture, and it is said he intended to set 96° as the temperature of the human body. www.unc.edu /~rowlett/units/dictD.html   (8623 words)

 formula: conversion fahrenheit - celsius The degree Celsius (°C) is a unit of temperature named for the Swedish astronomer Anders Celsius (1701-1744), who first proposed it. The degree Fahrenheit (°F) is a unit of temperature named for the german physicist Gabriel Fahrenheit. In the Fahrenheit scale of temperature, the freezing point of water is 32 degrees, and the boiling point is 212 degrees, placing the boiling and melting points of water 180 degrees apart. www.albireo.ch /temperatureconverter/formula.htm   (149 words)

 Fahrenheit (game)   (Site not responding. Last check: 2007-10-08) Haiko´s Filmlexikon: Fahrenheit 451 Kurzbeschreibung und eine positive Kritik von Haiko Herden. Fahrenheit 451 Informationen zu Cast und Darstellern sowie eine Kurzbeschreibung sind aufgeführt. The Australian: Michael Moore's Fahrenheit 9/11: The Barbarian Invasion of 'Cretinism'. www.serebella.com /encyclopedia/article-Fahrenheit_(game).html   (261 words)

 Fahrenheit   (Site not responding. Last check: 2007-10-08) Another well-known version of the story, as described in the popular physics television series The Mechanical Universe, holds that Fahrenheit simply adopted Rømer's scale, at which water freezes at 7.5 degrees, and multiplied each value by 4 in order to eliminate the fractions and increase the granularity of the scale (giving 30 and 240 degrees). Similarly, in parts of the United Kingdom, Fahrenheit is still used by some people for everyday, non-scientific measurement of warmer temperatures, while cooler temperatures are more often measured in degrees Celsius. And in Canada, although the media is required to report temperatures in degrees Celsius, older Canadians still "feel" the temperatures more subjectively in degrees Fahrenheit. www.worldhistory.com /wiki/F/Fahrenheit.htm   (413 words)

 Celsius, Fahrenheit, Kelvin, Réaumur, and Rankine Temperature Conversion Centigrade means "consisting of or divided into 100 degrees;" the Celsius scale, devised by Swedish Astronomer Andres Celsius (1701-1744) for scientific purposes, has 100 degrees between the freezing point of 0 degrees and boiling point of 100 degrees of pure water at sea level air pressure, 29.92 inches of mercury. On the Fahrenheit scale, used primarily in the United States, the freezing point of water is 32 degrees and the boiling point is 212 degrees while measured at standard pressure. Zero degrees Fahrenheit was the coldest temperature that the German born scientist Gabriel Daniel Fahrenheit could create with a mixture of ice and ordinary salt. www.csgnetwork.com /tempconv.html   (1240 words)

 Fahrenheit temperature scale Fahrenheit’s successors used the boiling point of water to calibrate their thermometers, which they set at 212 degrees in order to retain the size of Fahrenheit's degree. Fahrenheit himself did make thermometers that could read as high as 600°F, but the largest market was for thermometers for weather observations, and on these the part of the thermometer from 130°F to 212°F would be wasted. I have not yet discovered by experiment whether these degrees are sufficient for the most intense heat of some fever, but it is scarcely credible that the heat of any fever should exceed the degrees I have described. www.sizes.com /units/temperature_Fahrenheit.htm   (1096 words)

 1997 Warmest Year Of Century, NOAA Reports Land temperatures for 1997 averaged three-quarters of a degree above normal, falling short of the 1990 record by one-quarter of a degree. Ocean temperatures during 1997 also averaged three-quarters of a degree above normal, which makes it the warmest year on record, exceeding the previous record warm years of 1987 and 1995 by 0.3 of a degree Fahrenheit. With the new data factored in, global temperature warming trends now exceed 1.0 degree Fahrenheit per 100 years, with land temperatures warming at a somewhat faster rate. www.eurekalert.org /pub_releases/1998-01/NOaA-1WYO-080198.php   (222 words)

 BTU - Basic Transmission Unit, British Thermal Unit One BTU is the amount of heat required to raise the temperature of one pound of water one degree Fahrenheit. A standard unit of measure equal to the quantity of heat required to raise the temperature of 1 pound of water by 1 degree Fahrenheit at or near 39.2 degrees Fahrenheit. The quantity of heat necessary to raise the temperature of one pound of water one degree fahrenheit from 58.5 to 59.5 degrees under standard pressure of 30 inches of mercury or near its point of maximum density. www.auditmypc.com /acronym/BTU.asp   (871 words)

 CONVERSIONS USING THE DOMINANT TEMPERATURE SCALES   (Site not responding. Last check: 2007-10-08) Until we see the wonderful day when the Fahrenheit scale is abolished and all temperature records are changed to degrees Celsius, it is important to be able to convert degrees F to degrees C and vice versa. People who are more familiar with the Fahrenheit temperature scale understand with more clarity how a temperature of 50 degrees F or 100 degrees F feels, but do not have the understanding for how a 17 degrees C temperature or a 32 degrees C temperature feels unless they convert the Celsius temperature to Fahrenheit. As a side note: Although when using whole numbers the Fahrenheit scale is a more precise temperature scale, current instrumentation is precise enough to report temperatures to a tenth of a degree Celsius (a tenth of a degree Fahrenheit is bordering on being too precise unless big money is spent). www.theweatherprediction.com /habyhints/73   (440 words)

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