SCIENTISTS CALCULATE HOW MAN MAY FLY LIKE BIRD — Man may some day be able to fly by flapping a set of artificial wings, two Chilean scientists assert…. A 154-pound man equipped with 66 pounds of flight accessories would need wings about 10 feet long with a flight surface of 60 square feet.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.