Featured in helicopters

Video: NASA Drops A Helicopter From Midair to Test New Anti-Crash Tech
New Unmanned Chopper Sniffs Out Improvised Explosives While Looking Adorable
Video: Autonomous Indoor Copter Drone Steers with Laser Scanner
The Future of Public Transportation Will Involve Personal Helicopters, Mag-Lev Cars and Zeppelins
DARPA Wants Morphing Helicopter Blades By Yesterday
Can This Chinese Farmer’s DIY Helicopter Really Fly?
Narc Copter
Podcast: How it Works
The Army’s New Black Hawk
Handheld Spy Chopper