Two excellent examples of a blackbody: the Sun and an incandescent light bulb filament.

Here is a picture looking through a diffraction grating at an incandescent light bulb.

The incandescent light bulb has become synonymous with Thomas Edison.

To be sure, Edison invented the incandescent light bulb.

But after the Edison's improvement of the incandescent light bulb, power was suddenly much more useful.

For example, the yellow glow of an incandescent light bulb versus the blue-ish hue of a fluorescent light.

In describing these advances, twenty-second-century philosopher Almond Kunzel famously deployed an analogy between human consciousness and an antique, incandescent light bulb.

The firm was founded in 1890 by Thomas Edison, the holder of 1,093 patents including the incandescent light bulb.

Among Edison's 1,093 U.S. patents are the incandescent light bulb, the phonograph, the stock ticker and the kinetoscope, an early film projector.

It was Oct. 21, 1931: three days after Edison's death and exactly 52 years after his first big success with the incandescent light bulb.

Replacing incandescent light bulbs with compact fluorescent or LED bulbs can also help.

About 40 countries already have programs to switch from incandescent light bulbs, the U.N.

After destroying everything he could think of, he eventually stumbled onto incandescent light bulbs.

Photo: Envato Elements Replace your light bulbs Consider replacing traditional incandescent light bulbs with LED light bulbs.

How will he react if the government bans energy-wasting incandescent light bulbs, as in the European Union?

To crack Cuba's energy crisis, Castro ordered the replacement of all the country's incandescent light bulbs with energy-saving fluorescent bulbs.