If you stop and think about it, when Edison invented the light bulb he also had to invent the socket. Edison was a master innovator, but it must have become clear to him pretty quickly that continued ...

This story is part of a special series that explores energy issues. For more, visit The Great Energy Challenge. Timed to mark the 131st anniversary of Thomas Edison’s invention of the lightbulb, ...

Imagine a world without electric light — a world of candles, lanterns and flickering, smoky gaslights. Suddenly comes the bright, steady glare of a light never before seen. People welcomed it. If ...

Saturday, December 21 is the shortest day of the year so we thought it would be a good time to appreciate the history of light bulbs. We walk into a dark room and flick a light switch and don’t think ...

Timed to mark the 131st anniversary of the invention of the light bulb by Thomas Edison—whose birthday is marked by a Google doodle today—General Electric on October 21 unveiled an illumination ...