Hot and cold are measured using a numeric scale called temperature. Temperature scales are how we communicate about the weather, measure safety and comfort and explain the physical world. Using ...

The Kelvin (K), named after British physicist William Thomson (Lord Kelvin), is the thermodynamic temperature unit in the International System of Units (SI). It is derived from the third law of ...

Converting temperatures from Celsius to Kelvin is important both in everyday situations and in science. The Celsius scale is commonly used and is based on the freezing point (0°C) and boiling point ...

Oh, America. You do so confuse the rest of the world, with your “pounds per square inch” and “cups”, instead of sensible ...

What is temperature? This question comes up quite a bit—especially in introductory science courses. The most common answer is something like this: Temperature is a measure of the average kinetic ...

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 ...

LOUISVILLE, Ky. — News of COVID-19 vaccines and deployments have taken over the headlines in recent weeks, and various numbers have been thrown at us: the efficacy, how many doses are needed, and ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...