Voltage, Electric Energy, and Capacitors: Crash Course Physics #27

So, how do those defibrillators you see on TV actually work? Surprise! Physics can explain! Okay, buckle up, everyone! Today, Shini has the task of breaking down electrical potential energy, electric potential, voltage, capacitors, energy storage, and potential energy... it's a lot! -- Produced in collaboration with PBS Digital Studios:    / pbsdigitalstudios   -- Want to find Crash Course elsewhere on the internet? Facebook -   / youtubecrashc.  . Twitter -   / thecrashcourse   Tumblr -   / thecrashcourse   Support CrashCourse on Patreon:   / crashcourse   CC Kids:    / crashcoursekids