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 ...

The answers to these and other questions can be explored at Measurement Rules, an interactive exhibit at Creative Discovery ...

If you use rulers on a daily basis or need to upgrade your existing measuring stick, you might be interested in the T3 scale aluminum metal ruler set which comprises of three rulers that combine to ...