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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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 <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

BrainStuff

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.

How does a dollar bill changer work?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/a6282a6d-d805-4d39-acd6-ae32007d191f/transcript

In the midst of the French Revolution, Napoleon Bonaparte rode his hubris straight into an emperorship, but he was fated to fail. Learn how he came to power twice, why Waterloo was his downfall, and why he actually wasn't that short in today's episode of BrainStuff, based on these articles: https://history.howstuffworks.com/historical-figures/napoleon.htm; https://history.howstuffworks.com/european-history/battle-waterloo.htm; https://history.howstuffworks.com/history-vs-myth/napoleon-short.htm

In the midst of the French Revolution, Napoleon Bonaparte rode his hubris straight into an emperorship, but he was fated to fail. Learn how he came to power twice, why Waterloo was his downfall, and why he actually wasn't that short in today's episode of BrainStuff, based on these articles: <a href="https://history.howstuffworks.com/historical-figures/napoleon.htm">https://history.howstuffworks.com/historical-figures/napoleon.htm</a>; <a href="https://history.howstuffworks.com/european-history/battle-waterloo.htm">https://history.howstuffworks.com/european-history/battle-waterloo.htm</a>; <a href="https://history.howstuffworks.com/history-vs-myth/napoleon-short.htm">https://history.howstuffworks.com/history-vs-myth/napoleon-short.htm</a>

How Did Napoleon I, the Emperor of the French, Rise and Fall?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/b3cba167-f8a0-4865-9641-b4a7012f83c7/transcript

Alchemists may have never turned lead into gold, but they did create the field of chemistry. Learn how the study of alchemy worked in today's classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/alchemy-to-chemistry.htm

Alchemists may have never turned lead into gold, but they did create the field of chemistry. Learn how the study of alchemy worked in today's classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/alchemy-to-chemistry.htm

BrainStuff Classics: How Did Alchemy Create Chemistry?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/8ef7e088-b99a-49ce-8065-b4a501645942/transcript

Sundown towns are places in the United States where, after the Civil War and Reconstruction, white communities kept Black Americans and other groups out for decades, on purpose. Learn how they came to be -- and how some sundown towns are in recovery -- in today's episode of BrainStuff, based on this article: https://history.howstuffworks.com/american-history/sundown-towns.htm. Check out Dr. James Loewen's database of sundown towns here: https://justice.tougaloo.edu/sundown-towns/using-the-sundown-towns-database/

Sundown towns are places in the United States where, after the Civil War and Reconstruction, white communities kept Black Americans and other groups out for decades, on purpose. Learn how they came to be -- and how some sundown towns are in recovery -- in today's episode of BrainStuff, based on this article: <a href="https://history.howstuffworks.com/american-history/sundown-towns.htm.">https://history.howstuffworks.com/american-history/sundown-towns.htm.</a> Check out Dr. James Loewen's database of sundown towns here: <a href="https://justice.tougaloo.edu/sundown-towns/using-the-sundown-towns-database/">https://justice.tougaloo.edu/sundown-towns/using-the-sundown-towns-database/</a>

How Did Sundown Towns Say the Quiet Part Out Loud?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/b7aeb3f2-e25e-4590-9832-b4a501645941/transcript

How does a dollar bill changer work?

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