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News Link • Science, Medicine and Technology

Airship Development

• arclein
Pasternak is wearing a T-shirt that says Ballast Control Matters, which pretty much sums up that problem. “Blimps fly with buoyancy,” Pasternak says. “But when the blimp is empty, if you don’t hold it down, the ship flies into space. I realized we could compress the helium inside special chambers and give the ship more or less lift.”

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