[kach22i]

January 2011
Is it a bird? No, it's definitely a plane: Nasa unveils extraordinary ideas for the aircraft of 2025 | Mail Online

Future flight? Boeing unveils its innovative design for a faster, bigger and cleaner aircraft

http://www.treehugger.com/cars/next-up-for-aircraft-technology-bird-and-bat-inspired-flapping-wing-planes.html


http://www.wfis.uni.lodz.pl/edu/Proposal.htm


http://wordlesstech.com/2013/03/25/stealth-bomber-inspired-by-hawk/