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The Challenge: Make an underwater flashlight

The Rough Science underwater torchDid the flashlight work?

The flashlight was lowered into the water off Carriacou and proved to be a glowing success — the fish weren't quite so impressed though!

Web Links

The producers are not responsible for the content of external websites.

How Light Works from the How Stuff Works site
Make a Light Bulb from the Lemelson Center on the Smithsonian Institution site
Make your own salt volcano from the Exploratorium website
Incandescent light bulbs
from the How Things Work, University of Virginia site
How does a light bulb work? From the Science Net website


Advanced Physics by Tom Duncan, John Murray 2000; ISBN: 0719576695