Your smartphone can not only serve you as a digital ruler, but it can also help you measure various other things. Smartphones are very powerful tools, especially if you pair them up with good apps. In ...

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 ...

Just as a meter stick with hundreds of tick marks can be used to measure distances with great precision, a device known as a laser frequency comb, with its hundreds of evenly spaced, sharply defined ...

When designing materials and structures at the nanoscale, it is important to be able to characterize and measure them. Getting tools to measure on these very small length scales can be challenging as ...

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 ...

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 ...

Have you ever been in a situation where you needed to measure something — maybe a baseboard or a window frame — but were caught without a tape measure? Oh no! What do you do? The solution is actually ...

The pupillary distance (PD) measurement is a requirement for people who want to purchase eyeglasses. Here, find out how to measure your PD using a mirror and a ruler. Share on Pinterest Some eyewear ...

Changing the ruler’s 0 origin means changing the position where the starting point (0) for measurement on the ruler is. The default zero position of the ruler is usually at the left edge of the ...