A light bulb works the same, but the electricity causes the heat.

How do these bulbs really work and how efficient are they at doing their job?

Once he wondered about the fact that garlic bulbs worked.

The bulbs that say "warm" or "soft" usually work the best.

Take our quiz to see whether you're in the dark about how light bulbs work.

What is the chance that a purchased bulb will work for longer than 5000 hours?

The light bulb wasn't working, so I lit a match.

The plastic lens cover had cracked, but the bulb still worked.

"When light bulbs don't work and the water gets scuzzy, what have you got?"

The bulbs do not work after being dropped.