The thirteenth is actually a lucky number. It represents the number of times the moon cycles through the sky. Just think how much easier it would be to have a calendar of thirteen 28 day months instead of trying to remember which months have thirty-one, thirty, twenty-eight or twenty-nine days.
The fear of 13 is irrational and unsubstantiated.
Just my opinion,
Drones are, in essence, flying autonomous vehicles. Pros and cons surrounding drones today might well foreshadow the debate over the development of self-driving cars. In the context of a strongly regulated aviation industry, "self-flying" drones pose a fresh challenge. How safe is it to fly drones in different environments? Should drones be required for visual line of sight – as are piloted airplanes? Join EE Times' Junko Yoshida as she moderates a panel of drone experts.