Biologists report how a disposable molecular ruler or tape measure determines the length of needles bacteria use to infect cells. The findings have potential applications for new antibiotics and ...

They used a ruler to measure the lengths of the individual strands, as well as the length of where two strands stuck together (which they call the stick length).

Golf club length is easily checked with the correct ruler, but even with the right tools, there are different ways to interpret the information depending on the person doing the measuring.

Learn how to create a simple, effective measuring tool at home. This DIY project is perfect for those who want an easy way to measure length with precision!

Your phone is useful for a lot of things. You can even use it as a ruler. Here are the best ruler apps and measurement apps for Android!

Instead of measuring simply by putting the ruler against an object and using your eyes, you instead have to move a physical indicator along the length of the ruler, along a channel.

Researchers at the Max Planck Institute for Multidisciplinary Sciences in Germany have achieved a groundbreaking optical measurement of intramolecular distances with angstrom-level precision. Put ...

Discover the method to accurately measure your feet for the perfect running shoe fit from home. Our specialists guide you through the process, step by step.

Microsoft is working on a Screen Ruler tool for PowerToys. The utility has various modes and can measure the distance between objects.