Once the preserve of triathletes and gym junkies, fitness trackers and heart rate monitors have made their way into the mainstream. It's easier than ever to measure the metrics that matter with a raft ...

The past 25 years have seen tremendous progress in thermometry across the moderate temperature range of 1 K to 1,235 K. Various primary thermometers, based on a wide range of different physics, have ...

Three temperature scales are commonly used in science and industry nowadays. These are the Celsius, Kelvin and Fahrenheit. The degree Celsius (°C) scale was created by separating the scale of ...

Celsius is the obvious temperature scale of choice when conducting scientific experiments. Water freezes at 0. It boils at 100. It is beautiful and simple and has a lot going for it, not least of ...

The Kelvin scale of temperature is the generally used in science, particularly in the physical sciences. The Celsius scale is still used a in many areas of physical science, but the Kelvin that is the ...

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 ...

I SHALL feel greatly obliged if any reader of NATURE can inform me what scale the thermometer referred to in the following extracts was made to:—“7 Feb., 1775. This day the thermometer was down to 80, ...