DARPA to develop bio-inspired tech to ‘self-heal’ Pentagon’s deteriorating concrete structures
A pair of airmen inspect a crack on the runway to determine its severity at Ellsworth Air Force Base, S.D., July 19, 2013. (U.S. Air Force photo by Airman 1st Class Alystria Maurer/Released) The ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results