Pressure is the amount of force applied per unit area. Pressure can be measured by a pressure gauge, but it is important to know the type of pressure the gauge is reading. This article will cover the ...

On any type of refrigeration system, from small reach-in coolers all the way to large chillers, controlling the head pressure of the refrigerant is important. That’s because it helps keep the system ...

Pressure in the temples can be a sign of a headache or migraine. Other possible causes include stress, blocked sinuses, head injury, and more. Anyone with severe or persistent pain or pressure should ...

You've probably heard meteorologists mention low pressure, but did you know there are two different types that can generate the weather where you live? While both can produce anything from snow and ...