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

Residents are thinking twice about allowing speed cushions in their Philly neighborhood due to dangerous drivers. Yankees Announcer’s Rant Against Blue Jays in July Resurfaces After Game 4 Loss Maddow ...

The younger black hole, the product of a cataclysmic cosmic event known as a black hole merger, was first spotted in 2019. Now, about 6 years later, a team of international researchers led by the ...

When you're driving on land, speed is measured in either miles per hour (mph) or kilometers per hour (km/h). These measurements are straightforward because you can see stationary landmarks and ...

If your phone’s battery life seems worse than expected or you want to verify a charger’s performance, measuring charge and discharge rates gives hard numbers you can act on. In this guide, you’ll ...

Rep. Addison McDowell, R-N.C., has introduced a bill which would declare that engrossed bills, executive orders, pardons, and commutations may only be legally signed by the president, and an autopen ...

Until now, tracking the speed and height of dangerous river flood waves was something scientists could only do from the ground. A new study shows that this is changing. For the first time, satellite ...

SiLC Technologies CEO Dr. Mehdi Asghari answers questions about the Eyeonic Trace Line Scanner his company is showcasing at Automate 2025. The all-in-one inspection and measurement tool achieves 1 mm ...

You’ve no doubt heard the carpentry proverb “Measure twice, cut once” and may even have made it a mantra for your own projects. But unless you know how to use a tape measure and correctly read its ...