25. 11. 2014618 tis. zhlédnutíHttp://www.trndlabs.com/product/skeye-nano-drone/Meet the Skeye Nano Drone, the world’s smallest quadcopter measuring just 4.0 x 4.0 centimer (or 1.57 x 1.57...
19. 7. 201823 tis. zhlédnutíThe X-57 Maxwell electric airplane being developed by NASA Aeronautics Research Mission Directorate takes off on a simulated flight using fourteen electric m...