The actual explanation doesn't start until about 2 minutes in: https://www.youtu...

		clebio on Oct 27, 2014 \| parent \| context \| favorite \| on: How a differential gear works (1937) [video] The actual explanation doesn't start until about 2 minutes in: https://www.youtube.com/watch?v=K4JhruinbWc#t=110