electric toothbrush :
- n a toothbrush with an electric motor in the handle that vibrates the head of the brush
News & Articles
- Watts For Lunch? (Or Why Humans Are Like Light Bulbs)
Take a bunch of broccoli, or make it a Slurpee, burger, pizza and fries, swallow, and ask yourself, "How much energy did I just consume?" Enough to light a flashlight? Run an electric toothbrush? If I were a lunch-eating light bulb, how long would I glow? Here's the answer.
June 11, 2013 - NPR