Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

A new collection of research papers examines how humans conceptualize numbers and the numeral systems we’ve build around them ...

A new theory-based approach provides access to the minute transverse motion of quarks within protons. Nuclear physicists have developed a new theoretical framework that allows them to calculate a ...

Explore innovative distance measurement methods for DIY projects. Learn about tools like UWB, barometers, and camera-based systems.

Researchers used drones to get another look at the "Band of Holes" along Monte Sierpe, and their work suggests that the Inca ...

A new method for measuring three different properties of light, at the same time, has been developed using an ...

If you thought your test-taking days ended when you left school, think again. Recent research shows that about 76% of organizations with more than 100 employees rely on assessment tools such as ...