Bicycles… and the rest

From the Greek word κύκλος (kuklos), a circle, a wheel, English derives several means of transportation.  From swiftest to slowest, there are motorcycles, bicycles, tricycles, and unicycles. The motorcycle is a self powered two-wheeled vehicle.   The first part of the...

Abrasion

Abrasion: A scrape.  Fall off of a bicycle and you may end up with an abrasion.  Abrasion can also be the act of wearing or rubbing off.  For example: The constant abrasion of chairs left scratches on the hardwood floors.  Abrasion come from the Latin word abradere,...