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 ...

Researchers from Iowa State University and North Carolina State University have created a robotic system that can precisely measure the angle of leaves to help breed quality corn plants. Compared to ...

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 ...

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 ...