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How does a dollar bill changer work? by Brain Stuff | Mixes.VuiZ.Net
How does a dollar bill changer work?
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Brain Stuff
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#Howstuffworks
#Brainstuff
#How do bill changers work
#Dollar bill changer
How does a dollar bill changer work?
Brain Stuff
0:00
0:00
Description
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.
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