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 ...

When I sew my aprons, I like to have a ruler to line up the pockets before I sew them onto the apron front. I now use a wooden ruler that I found at a thrift shop, since the cheap plastic rulers kept ...

This release is also available in Chinese on EurekAlert! Chinese. College Park, MD (August 31, 2010) -- With the advent of nanometer-sized machines, there is considerable demand for stable, precise ...

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 ...