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 Video of some of the figure skating from GGVII July 26, 2006 stealing from our fellow beings May 11, 2001 Random Screen – a cool non-electric random light January 4, 2006