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 ...

Since the scale line of a general ruler has a width, many people have had the experience of trying to draw a line of the correct length with a ruler and wondering 'how far should I draw this scale ...

Windows only: Measure photos, graphics and other digital media directly on your monitor with freeware app JR Screen Ruler. JR Screen Ruler comes as a stand-alone executable that can be used to measure ...

Size Matters: Measuring distances between molecules is no simple task, but a team of German researchers has developed a new method that could revolutionize biological research and possibly even impact ...