Ever since the general acceptance of his thermo-metric scale, there has been much discussion as to why Fahrenheit chose such an apparently inconvenient numerical relationship as 32° and 212° for ...

Many engineering fields in the U.S., especially high-tech ones, also use the kelvin and degrees Celsius scales. However, the United States is the last major country in which the degree Fahrenheit ...

Building a thermometer is a matter of precise technology—putting just the right amount of mercury into a specially designed glass tube, for instance—but determining which numbers to use on the ...