Forget flying cars -- passenger drones are the future

In the July 1924 issue of Popular Science, “Ace of Aces” fighter pilot E.V. Rickenbacker told readers to expect “Flying Autos in 20 Years.” Rickenbacker’s flying car would have retractable 12.5-foot wings, a sea-worthy hull and wheels to cruise America’s growing network of highways. Ninety-three years later, personal cars remain land-bound.