One of the greatest inventions is the steam engine. But why? 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 ...

How do those defibrillators you see on TV actually work? Surprise! Physics can explain! So, how do those defibrillators you see on TV actually work? Surprise! Physics can explain! Okay buckle up, ...

Against all odds, this new show is going to make you love physics. After the Green brothers ended their much-beloved Crash Course Astronomy series in January, fans wondered what subject the duo would ...