ヘリコプターの飛行、量子理論などの基本を魅力的なトラックで探求しましょう。アインシュタインやボーアに関する歴史的洞察も楽しめます。
Helicopters: flight basics
5 mins • Sep 3, 2008
Charts
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最近のエピソード
Sep 3, 2008
Helicopters: flight basics
5 mins
Sep 3, 2008
Transcript -- Helicopters: flight basics
Sep 3, 2008
Helicopters: Traditional rotor blades
5 mins
Sep 3, 2008
Transcript -- Helicopters: Traditional rotor blades
Sep 3, 2008
Helicopters: Modern rotor blades
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