logo
episode-header-image
Jan 2015
2m 14s

How does a dollar bill changer work?

iHeartPodcasts
About this episode

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.com

See omnystudio.com/listener for privacy information.

Up next
Aug 26
How Did Jerry Lawson Change the Course of Video Gaming?
In the 1970s, Jerry Lawson was instrumental in creating the first cartridge-based video game console and the first digital joystick -- and he did it as one of the only Black engineers in Silicon Valley at that time. Learn about Lawson and the Fairchild Channel F in this episode o ... Show More
10m 19s
Aug 25
Why Is Glass Transparent?
Glass windows are as solid as the materials that surround them, yet they let light through. Learn the physics of why glass can be so transparent -- and why it took humans thousands of years to create totally clear glass -- in this episode of BrainStuff, based on this article: htt ... Show More
9m 1s
Aug 23
BrainStuff Classics: Should We Retest Licensed Drivers Periodically?
Although some driving skills can deteriorate with age, experienced drivers tend to be the safest drivers. To an extent. Learn when and how experts think drivers should be retested in this classic episode of BrainStuff, based on this article: https://auto.howstuffworks.com/car-dri ... Show More
7m 3s
Recommended Episodes
Oct 2022
The money fixers (classic)
How do you mend a broken bill? On this classic episode, we visit the Mutilated Currency Division. Subscribe to Planet Money+ in Apple Podcasts or at plus.npr.org/planetmoney Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy 
17m 39s
Nov 2020
ICYMI - Bill Gates on COVID-19 Challenges, Climate Change and Podcasting with Rashida Jones
Bill Gates discusses America's handling of the pandemic, steps needed to fight climate change and his podcast "Bill Gates and Rashida Jones Ask Big Questions." Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy informat ... Show More
16m 31s
Mar 2021
Mo Money, Mo Money, Mo Money
President Biden's $1.9 trillion COVID-19 relief bill has passed. Package includes up to $1400 stimulus checks. Someone did the shimmy, btw. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSteve Harvey Morning Show Online: http://www.steveharveyfm.com/See o ... Show More
4m 58s
Apr 2023
The Weird Journey of the $2 Bill
If you've spent your life in the US, you've probably seen a $2 bill every once in a while -- they're much less common than, say, the $1, the $10 or the $20. In fact, many people assume the $2 bill is a thing of the past... but that turns out not to be true. In today's episode, Be ... Show More
32m 14s
Aug 2022
#131 Why thinking hard tires you out; game-changing US climate bill
The US is about to pass an historic piece of climate legislation. The Inflation Reduction Act allocates $370 billion to climate mitigation, and the team explores how that money will be spent - plus why some people think the bill holds us hostage to fossil fuel. Do you ever get em ... Show More
33m 38s
Dec 2008
How Bill Gates and Steve Jobs Work, Part 2
Bill Gates and Steve Jobs are giants in the computing world -- and they have more in common than you might suspect. Listen in as the Techstuff team reviews the parallels between Jobs and Gates in their first two-part podcast from HowStuffWorks. Learn more about your ad-choices at ... Show More
26m 14s
Jul 2021
Friday Flight - Getting Paid On Demand, Sneaky Internet Bill Increases, & New Cheap Drugs #384
It's time for a Friday Flight! These episodes are all about the week’s financial news and the impact on your personal finances. There are a lot of headlines out there, but we distill it down to specific takeaways that will allow you to kick off the weekend informed and help you t ... Show More
29m 43s
May 2023
Hacking your bills
It’s getting harder to keep up with the cost of essentials such as water, energy and internet. FT reporter Leah Quinn speaks to 26-year-old renter Conor, who explains what he has been paying over the past few months and which bills are starting to add up. Host Claer Barrett is on ... Show More
20m 29s
Aug 2014
Monday Morning Podcast 8-11-14
Bill rambles about the shit show that is golfing, swimming and buying a house. 
1h 2m
Jan 2021
JAB Currency Talk
Black people need to be on this money. Harriet Tubman on the $20 bill has started a trend. Fool #2 goes there!!! Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSteve Harvey Morning Show Online: http://www.steveharveyfm.com/See omnystudio.com/listener for ... Show More
8m 21s