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Home > BrainStuff > How Glowing Watch Hands Work
Podcast: BrainStuff
Episode:

How Glowing Watch Hands Work
Category: Science & Medicine
Duration: 00:01:12
Publish Date: 2008-07-14 19:57:07
Description:

In many watches, phosphor is mixed with a radioactive element that continously charges the phosphor, powering glowing watch hands. Learn more about glowing watch hands in this HowStuffWorks podcast.

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