Blog posts tagged in light bulb
Have you ever wondered why our galaxy is called the Milky Way?
Thousands of years ago the ancient Greeks looked up at the mass of stars that stretched across our sky and, believing it looked like flowing milk across the darkness, called it galaxies kuklos, meaning the “milky circle.” Later the Roma...
A new LED (light-emitting diode) from Philips promises to last 20 years – more than 25 000 hours. The LED light bulb was launched commercially in stores on Earth Day.
For more than one hundred years, Thomas Edison’s incandescent light bulb has been on the market. Though providing excellent light qu...