More than a century after their invention, tungsten filaments—the coiled metal wires at the heart of many incandescent light bulbs—continue to be popular. This is despite the growing market for LED ...

Tungsten-filament bulbs — the most widely used light source in the world — burn hands if unscrewed while lit. The bulbs are infamous for generating more heat than light. Now a microscopic tungsten ...

Many credit the invention of the incandescent light bulb with Edison or Swan but its development actually took place over two centuries and by the time Edison and Swan got involved, the tech was down ...

Light bulbs are living on borrowed time, but why do their timers tend to expire just as you turn on a light, instead of flickering out randomly? Everyone has had the experience of coming home from a ...

As inventors in the early 1900s vied to devise the best incandescent lightbulb, tungsten won out over carbon for making filaments. Today, however, there’s a form of carbon that was unknown back ...

You can't buy incandescent light bulbs anymore. With a few exceptions, the bulbs – patented by Thomas Edison in 1880 and a common fixture in American homes for more than a century – have officially ...

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LIVERMORE — Imagine a world in which light bulbs never die. People could live their whole lives without ever scorching their fingertips trying to change an incandescent bulb. Long after they were gone ...

Dennis Kunkle spotted an interesting light bulb glowing dimly in the basement of the Fire Museum of York County on West Market Street in York. Kunkle, director of facilities for the York County ...

Jinquan Wei and colleagues from Tsinghua University and Bingqing Wei at Louisiana State University started by using chemical vapour deposition to make highly pure nanotubes. Next they soaked the ...