It is Professor Munakata's "reverse pyramid" strategy that prevents the megaliths from being dumped atop the dome of St Paul's Cathedral from a blimp.

正是宗方教授的“逆向金字塔”策略可以防止巨石被飞艇甩到圣保罗大教堂的圆顶上。

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The pressure of the helium inside a blimp is about the same as that of the air outside, so the gas does not rush out.

气球飞艇内部氦气的压力和外部气压相近，因而气体不会溢出。

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The inner envelope filled with helium in the head section of the blimp and the third built-in airbag at the tail is filled with ethane combustible gas.

飞船头部的内置气囊中充满了氦气，而置于尾部的第三节内置气囊则充满了乙烷可燃气体。

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In 1911 American airship pioneer Melvin Vaniman built the Akron, a hydrogen-filled, Goodyear Blimp-size craft in which he and his crew intended to be the first to fly across the Atlantic.

FORBES: The long, loud history of hydrogen as a motor fuel.

Nowadays, behind Skunk Works' highly secure perimeter, engineers reportedly are working on the aviation wonders of tomorrow, including a lightweight cargo plane called the X-55A and a bizarre, blimp-like airship called the P-791 Hybrid Air Vehicle, which has special technology that allows it to take off and land just about anywhere.

CNN: Where planes go to die

We also watched sustainable transportation soar to new heights this week as the world's first solar-powered blimp prepares to fly across the English Channel.

ENGADGET: Inhabitat's Week in Green: a US team wins the Solar Decathlon!