How close are scientists to developing a personal flying device that would replace cars?


Posted February 19th, 2009 by admin 11 Comments »
cars
Nick K asked:


Imagine a backpack with a propeller. No car is necessary to reach the other side of the city. You can look into anyone’s window, no matter what floor a person lives on. There will be new traffic rules, fewer cars, fewer traffic accidents. How close are we to developing a personal flying device?

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