TED-Ed

View full lesson: http://ed.ted.com/lessons/how-much-does-a-video-weigh-michael-stevens What color is a mirror? How much does a video weigh? Michael Stevens, creator of the popular educational YouTube channel Vsauce, spends his day asking quirky questions like these. In this talk he shows how asking the right -- seemingly silly -- questions can make incredibly effective lessons. Talk by Michael Stevens.