An angle is the space between two lines that start at the same point. Angles are measured in degrees (°). They can measure between 0° and 360°. Different types of angles include acute, obtuse, reflex ...

Smartphones are useful for a lot of things. You can even use one as a ruler in a pinch. Generally speaking, you won’t replace your trusty yard stick. A phone is simply too small for anything other ...

Imagine a world where you never have to bend the tape measure. Actually don't, because that world is already here. While we've all been awkwardly trying to snap the tape measure into an L shape when ...

Your iPhone’s camera can do more than just take photos. It can also help you record measurements for do-it-yourself projects. I recently tested two apps—one that lets you record measurements on the ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The magnitude-7.8 earthquake that rocked Nepal on Saturday (April 25) may have caused the world's ...

Learn how 4D digital holographic microscopy provides real-time, non-contact measurement of MEMS micromirror deformation, ...

A protractor is used to draw and measure angles. An angle is the amount of turn between two lines. Angles are measured in degrees with the symbol °. Angles can be labelled with 3 letters (eg DEF) to ...