Brainstuff
How does a dollar bill changer work?
- Author: Vários
- Narrator: Vários
- Publisher: Podcast
- Duration: 0:02:14
- More information
Informações:
Synopsis
A dollar bill changer doesn't just have to sense a bill's denomination -- it also needs to be able to tell whether bills are fake. Join Marshall Brain as he breaks down the science behind bill changers in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.