Evolution has done a pretty good job of producing efficient wings in birds and insects. In particular, natural wings tend to be quite flexible and this allows animals to generate lift and thrust with ...
Bat wings are like hands: meaty, bony and full of joints. A new study finds that bats take advantage of their flexibility by folding in their wings on the upstroke to save inertial energy. The ...
A team that has created a supersonic jet design resembling a flying shuriken has been awarded a US$100, 000 grant from NASA’s Innovative Advanced Concepts (NIAC) program to continue development of the ...