Brainstuff
How Glowing Watch Hands Work
- Author: Vários
- Narrator: Vários
- Publisher: Podcast
- Duration: 0:01:12
- More information
Informações:
Synopsis
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. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.