4 ms·
Example: http://www.livescience.com/12725-maple-copter-robotic-craft-mimics-falling-maple-seed.html http://www.livescience.com/12725-maple-copter-robotic-craft-
by kenrikm 13y ago
Example: http://www.livescience.com/12725-maple-copter-robotic-craft-mimics-falling-maple-seed.html http://www.livescience.com/12725-maple-copter-robotic-craft-...