How a Differential Gear Works Post author:HFM Post published:April 14, 2013 Post category:Brain Food Posting this for Stephanie, because I know she’ll want to watch it. Tags: automotive, differential gear You Might Also Like Indoor home composting machine November 7, 2005 Goth Embroidery (and pirates, and monkeys!) December 20, 2005 International Talk Like a Pirate Day! September 19, 2006