The entire scientific world (the U.S. included) measures temperature using the Celsius scale and thermodynamic temperature using the kelvin scale, which is just the Celsius scale shifted downwards ...

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 ...

the temperature at which molecules and atoms are at their lowest energy points (-273.15 degrees Celsius) The temperature scale that is based upon absolute zero, Kelvin, is widely used by ...