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甚麼是噴射背包的運作原理?為何我們不能人手一個?——理查‧勃朗寧與黛比‧勃朗寧
325,144 plays
|
Richard Browning
|
TED-Ed
• February 2022
Read transcript
1961 年 4 月 12 日,蘇聯的太空人尤里‧加加林完成史上首次人類太空飛行。一個禮拜後,貝爾航空系統推出另一劃時代發明:以瓦斯為動力的火箭背包,能讓人在 13 秒內飛行 35 公尺。遺憾的是,發明出火箭背包的工程師都知道,這種短程飛行就是火箭背包的極限了。所以,為什麼讓一個飛行員升空,比讓一架巨大太空梭升空更難?理查‧勃朗寧研究了這個問題。 [導演:米契‧ 赫恩、麗莎‧維度達切斯;旁白:貝瑟尼‧科特摩爾-史考特;音樂:切‧米希利歐魯]
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