When you think of jetpacks, your first thought is probably an image of some fun, care-free piece of pop culture like The Jetsons or James Bond. Or maybe even the Super Bowl. But jetpacks were serious business for the U.S. military in the 1960s. And, believe it or not, there were plenty of futuristic ideas that…
from Gizmodo https://ift.tt/2mY8QQM
