US Army is already ahead of game with its drones, UAVs and robotic companions. But wait, Japan has now a miniature Defense Star, which is a spherical drone that can fly with 35mph and weighs only 1 lb.
Interestingly, it doesn’t make too much noise and it can be easily manipulated. Because of its gyro sensors if can hit obstacles and it can still maintain direction and height. It can even slide at ground level. This device costs only $1400 and can be made of commercially available parts.
It seems that it will be used for reconnaissance and rescue missions, not to conquer the Universe. Yet. This Death Star in becoming has been seen at Digital Contents Expo 2011, in Japan.