text: Where do all those airplanes go when not in use? Where is the land for airports going to come from? How about all those cars and how are they going to get to the airport and where are they going to park? What happens if an engine fails on a plane? There are thousands of issues that haven't been answered or engineered. 
  
  The same basic questions apply to anything new. If society stopped every time, we would be still living without the wheel.