kites

_male+female marsh harriers in the evros landscape:



_clean monday [40 days before easter] tomorrow in greece:


_robotics= the pigeon*:
date:
~350 bc
inventor:
greek mathematician archytas of tarantum
description:
a wooden pigeon suspended from the end of a pivot which was rotated by a jet of water or steam.
the pigeon simulated flight.
achievement:
first artificial, self-propelled flying device,said to have actually flown some 200 yards.
first idea to be related to robotics!



*could not find any illustration of this interesting structure!