Invention

Listener Mail: Machine

It's listener mail time again on Invention! You've written in with your thoughts on past episodes and now Robert and Joe are going to read some of them -- with the help of a brand new mailbot. Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.

From agriculture to the X-ray machine, Stuff to Blow Your Mind hosts Robert Lamb and Joe McCormick explore the inventions we created, and how they created us.