TVs are marketed based on the diagonal measurement of the screen. When measuring a TV for your space, always take into account the bezel and stand or mount. Divide your viewing distance by two to get ...

Pupillary distance is the space — measured in millimeters (mm) — from the center of one pupil to another. When you need glasses, an optometrist or an optician will measure this distance to make sure ...

The phrase power factor frequently is used in the electrical and power electronics industry. For example, home, office, and industrial electrical equipment often is fitted with power factor-corrected ...