You might not think your car’s odometer is that exciting, but it’s actually the modern incarnation of an ancient invention with roots in China and the Greco-Roman world. Join Robert and Joe as they discuss the invention of the hodómetron and the li-recording drum carriage in this classic invention-themed episode of Stuff to Blow Your Mind. (originally published 09/06/2022) See omnystudio.com/listener for privacy information.