Global Positioning System

Why Some Top Runners Prefer to Train Without a GPS Watch

An increasing number of elite distance runners don’t wear activity tracking or GPS watches. They think they are better athletes because of it.

A Drone’s View Behind Russian Lines: Cratered Fields and Charred Armor

A Ukrainian unit sent a drone into Russian-occupied territory to surveil the battlefront, and it brought back vivid images of the Russian side of the war zone.

NYPD Unveils New High-Tech Devices, Including Robotic Dogs

Mayor Eric Adams unveiled an array of high-tech security devices that he said the Police Department would use to ensure New Yorkers’ safety.

What Are JDAMs? And What Will They Do For Ukraine?

The United States is giving satellite-guided bombs to Kyiv for the first time as part of a new $1.85 billion military aid package.

Time Is Running Out for the Leap Second

To the world’s timekeepers, the leap second is a kludge, a bane, a pain in the little hand. Now they’re proposing to ditch it. Will our days ever be the same?