From a pocket-size EDC light to a 7,000-lumen powerhouse, these rugged flashlights are built for emergencies, vehicles, ...

Lots of modern phones use pulse width modulation, or PWM, to manage brightness. But what is PWM, why is it harmful, and what ...

A dead battery is not just a winter problem, and for drivers who would rather not learn that the hard way in a grocery-store parking lot, these are worth a closer look. Battery trouble does tend to ...

Pennhurst Asylum is the real deal, a former state institution that operated for decades before closing its doors in 1987, and ...