One of the greatest inventions is the steam engine. But why? What makes it so useful? And how does it work? In this episode of Crash Course Physics, Shini talks to us about how engines work, what makes them efficient, and why they're pretty cool.

Get your own Crash Course Physics mug from DFTBA: http://store.dftba.com/products/crash...

The Latest from PBS Digital Studios: https://www.youtube.com/playlist?list...

--

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

--

Want to find Crash Course elsewhere on the internet?
Facebook - http://www.facebook.com/YouTubeCrashC...
Twitter - http://www.twitter.com/TheCrashCourse
Tumblr - http://thecrashcourse.tumblr.com
Support CrashCourse on Patreon: http://www.patreon.com/crashcourse

CC Kids: http://www.youtube.com/crashcoursekids