Some people who are fearful flyers are concerned about mid-air collisions.  In the early days of air transport there were some of these ugly events but, like every other time something bad has happened in aviation, these events were the impetus to build a safer, better system.  Here's a little info about one such improvement that gives each airliner a "force-field-like" bubble of protection...  

If you … Continue reading the story "A Force Field Around Your Plane"