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2. Scale of temperature - Wikipedia

   en.wikipedia.org/wiki/Scale_of_temperature

   For example, both the old Celsius scale and Fahrenheit scale were originally based on the linear expansion of a narrow mercury column within a limited range of temperature, [4] each using different reference points and scale increments. Different empirical scales may not be compatible with each other, except for small regions of temperature ...

3. Fahrenheit - Wikipedia

   en.wikipedia.org/wiki/Fahrenheit

   Historically, on the Fahrenheit scale the freezing point of water was 32 °F, and the boiling point was 212 °F (at standard atmospheric pressure). This put the boiling and freezing points of water 180 degrees apart. [8] Therefore, a degree on the Fahrenheit scale was 1 ⁄ 180 of the interval between the freezing point and the boiling point ...

4. Daniel Gabriel Fahrenheit - Wikipedia

   en.wikipedia.org/wiki/Daniel_Gabriel_Fahrenheit

   During this period he worked on solving technical problems with his thermometers. [8]: 4–5 Fahrenheit began experimenting with mercury thermometers in 1713. [8]: 26 Also by this time, Fahrenheit was using a modified version of Rømer's scale for his thermometers which would later evolve into his own Fahrenheit scale. In 1714, Fahrenheit left ...

5. Dad has perfect response to kid's 'Fahrenheit 451' permission ...

   www.aol.com/article/news/2016/10/27/dad-has...

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6. Temperature - Wikipedia

   en.wikipedia.org/wiki/Temperature

   In the United States, the Fahrenheit scale is the most widely used. On this scale the freezing point of water corresponds to 32 °F and the boiling point to 212 °F. The Rankine scale, still used in fields of chemical engineering in the US, is an absolute scale based on the Fahrenheit increment.

7. List of unsolved problems in chemistry - Wikipedia

   en.wikipedia.org/wiki/List_of_unsolved_problems...

   This is a list of unsolved problems in chemistry. Problems in chemistry are considered unsolved when an expert in the field considers it unsolved or when several experts in the field disagree about a solution to a problem.

8. Conversion of scales of temperature - Wikipedia

   en.wikipedia.org/wiki/Conversion_of_scales_of...

   This is a collection of temperature conversion formulas and comparisons among eight different temperature scales, several of which have long been obsolete.. Temperatures on scales that either do not share a numeric zero or are nonlinearly related cannot correctly be mathematically equated (related using the symbol =), and thus temperatures on different scales are more correctly described as ...

9. Negative temperature - Wikipedia

   en.wikipedia.org/wiki/Negative_temperature

   This should be distinguished from temperatures expressed as negative numbers on non-thermodynamic Celsius or Fahrenheit scales, which are nevertheless higher than absolute zero. A system with a truly negative temperature on the Kelvin scale is hotter than any system with a positive temperature. If a negative-temperature system and a positive ...