In an era when millions of Americans are chained to computers, handcuffed to BlackBerrys and plugged into iPods, something as simple as knowing the current time should be easy. But here’s the snag: ...

Inside a laboratory nestled in the foothills of the Rocky Mountains, amid a labyrinth of lenses, mirrors, and other optical machinery bolted to a vibration-resistant table, an apparatus resembling a ...

On a recent trip to Tucson, I heard zero complaints about a pending hour of lost sleep. On March 10, 2024—when most clocks across the country will advance one hour for daylight saving time—no one in ...