The airborne radar is the Pulse Doppler (PD) radar with active phased array. In order to find a stealth target with the high speed, i.e., the lower RCS target with high maneuvering, the cognitive ...

Researchers learn Hippos can fly – or at least become airborne. A UK study of their footfall patterns showed them trotting at such speed that their feet all left the ground.

Hippopotamuses are some of nature’s heavyweights. Their massive size and aggressive temperament have earned them a spot as ...