Toroidal propellers: A noise-killing game changer in air and water
Planes may soon be a thing of the past, for now they're still sometimes hard to replace.
I used to rely on Hipmunk for finding flights, but sadly, they recently shut down. So I was wondering, what do people on tildes use to find flights? Any tool/website you're happy with?
News article: NEC shows 'flying car' hovering steadily for minute Video of the car in action: NEC unveils flying car prototype