TED Talksのインスタグラム(ted) - 11月20日 09時59分

This is a #quadcopter balancing a glass of water as it flies. No matter how fast it changes direction, not a single drop of water spills—the glass doesn’t even tip. The quad’s balance skills are the result of careful manipulation of physics, and some pretty impressive algorithms. To see more of its insane aerial play, go to: on.ted.com/balancingact

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