Along time ago, when my boys were small children, we were driving across Cape Canveral (Nasa - Air Force ). I made a joke about a dragonfly paralleing our car. I told them we were watched by Nasa survallence. We probably were.
A mechanical cipher device designed by Boris Hagelin that was widely used by the U.S. Army during World War II. Compact and portable, it used a series of rotors to encode and decode secret military messages.
Along time ago, when my boys were small children, we were driving across Cape Canveral (Nasa - Air Force ). I made a joke about a dragonfly paralleing our car. I told them we were watched by Nasa survallence. We probably were.