A 3-way bulb contains two filaments, and these filaments have differing wattages. Depending on the setting, the filaments operate separately or together to create the appropriate amount of light. Learn more about 3-way bulbs in this HowStuffWorks podcast.
Nov 2023
Newbie | Turn on the Light, Turn off the Light
<p>Open the lights and turn off the door, er, I mean, turn on the lights and close the door... why is this so confusing? Just get in here and pretend you love me. Close the lights if you have to. In this podcast, a Mandarin Chinese lesson on how to turn on/off the lights. Episode ... Show More
12m 49s