If you're trying to hang something on your wall, you'll need to use something like the Zircon Stud Finder to find where to safely hang items. Here's how.

Users have tried the various torque wrench offerings from Harbor Freight to general approval. Some have even put the tools ...

Physicists have found a way to redistribute uncertainty in quantum measurements, paving the way for ultra-sensitive ...

Explore the workings of mechanical scales in this informative video. Discover the components and principles that enable these scales to measure weight accurately.

NPR's Ailsa Chang speaks to mathematician Eugenia Cheng about the Pascaline -- a 17th-century invention credited as the first mechanical calculator.

A new state law addresses the use of portable scales along state highways and includes a streamlined appeal process.