There's a light that never goes out… well, almost never. Since the invention of commercial light bulbs in the late 19th century, one bulb has outshone all others. In 2025, it could enter its 124th ...

The Centennial Light shines on (and on and on) in Livermore, California. | Photo: Public Domain, Wikimedia Commons // Background: Olga_Z, iStock via Getty Images There’s a light bulb in Livermore, ...

LIVERMORE — A light will, quite literally, always shine over the Livermore Fire Department. The Centennial Bulb, the world’s longest-burning lightbulb, has been aglow in Livermore for over a century, ...

Optics researchers at the University of Rochester have developed a process that could make a regular 100-W light bulb consume less electricity than a 60-W bulb while radiating the same amount of light ...

I last wrote about LED bulbs three years ago, when I was urging people to choose LED over standard incandescent when picking out holiday lights. ‘Tis the season again, but what’s different this year ...

The LED, or light-emitting diode, is very unlikely to fail, and if it does, it goes out slowly over the years. Instead, it's the other electrical bits in LED bulbs that fail and cut off the bulb's ...

An incandescent light bulb recognized by Guinness World Records as being the longest burning is still glowing strong days after celebrations that marked its 110th anniversary. The Centennial Light ...

MILWAUKEE - As the use of incandescent light bulbs is phased out in the United States, consumers are turning to compact fluorescent bulbs as an energy- and cost-saving alternative. The way CFL bulbs ...

There's a light that never goes out… well, almost never. Since the invention of commercial light bulbs in the late 19th century, one bulb has outshone all others. In 2025, it could enter its 124th ...