TLDR: The Rollova 2.0 Digital Ruler slips into your pocket and springs to life to measure over any surface, even curves, with just a simple roll. While the wooden ruler is best remembered as the ...

Complimentary small plastic rulers, being imprecise, innacurate, flimsy and defaced with advertising, draw only a measured amount of respect from metrologists. In 1994, two metrologists took measures ...

How do you measure something that’s not in a straight line? Rulers and tape measures work, but only so well, and at certain points you’re making an approximation as you try to fit the object to the ...

If you've ever found yourself wanting to measure something but don't have a ruler or tape measure on hand, measuring apps on your phone can come to the rescue. They range from the fairly simple to ...