Θωμάς Παππάς
More ideas from Θωμάς
Google Image Result for http://scienceblogs.com/startswithabang/files/2010/04/ringam2_hst_big.jpeg

A different astronomy and space science related image is featured each day, along with a brief explanation.

A Polish cavalry unit dares to attack a German motorcycle unit with only a sword. Since the end of the Great War, the Polish army was much less advanced than the German Army, often sending cavalry against German Panzer columns.

1939 09 02 A Polish cavalry unit dares to attack a German motorcycle unit with only a sword. Since the end of the Great War, the Polish army was much less advanced than the German Army, often sending cavalry against German Panzer columns.

Northrop-Grumman US Navy X-47B

next generation aircraft are unmanned / the pilot controls from the ground ! Allows MUCH higher G force turns that would cause human pilots to become unconscious