View full lesson: http://ed.ted.com/lessons/would-you-opt-for-a-life-with-no-pain-hayley-levitt-and-bethany-rickwald Imagine if you could plug your brain into a machine that would bring you ultimate pleasure for the rest of your life. The only catch? You have to permanently leave reality behind. Hayley Levitt and Bethany Rickwald explore Robert Nozick’s thought experiment that he called the Experience Machine. Lesson by Hayley Levitt and Bethany Rickwald, animation by Avi Ofer.