Future Helicopters Get SMART

[AEROwner]

"Helicopters today are considered a loud, bumpy and inefficient mode
for day-to-day domestic travel, but NASA research could change that
view."

Read here:
http://www.nasa.gov/topics/aeronautics/features/smart_rotor.html

P.S. Sorry for the recent spams. I am trying my best to keep this
group clean and I delete such messages as soon as I see it. I've
banned the poster. Thank you for your support.