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"Looking back through history, I see no evidence for humanity making the best of things, and I think it's a pretty safe bet that's an on-going trend."
- Richard Morgan
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| Membrane Balloon Helmet | ||
| A selectively permeable membrane worn as a helmet. |
When Hanville Svetz, time traveler from our future, tried the air in 12th century Britain, it was a bit rich for him.
| When next he left the extension cage, carrying the flight stick, Svetz was wearing another spin-off from the interstellar-exploration industries. It was a balloon, and he wore it over his head. It was also a selectively permeable membrane, intended to pass certain gasses in and others out, to make a breathing-air mixture inside. It was nearly invisible except at the rim. There, where light was refracted most severely, the balloon showed as a narrow golden circle enclosing Svetz's head. The effect was not unlike a halo as shown in medieval paintings. But Svetz didn't know about medieval paintings. |
| Technovelgy from The Flight of the Horse,
by Larry Niven. Published by Fantasy and Science Fiction in 1969 Additional resources -
|
This is a great idea - assuming that the parts of the atmosphere that you find essential are present.
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'Joe got out the gravity-simulator harnesses...'
'You couldn't have the capstone without the pyramid to hold it up.'
'the unobtrusive inspections with tiny remote-cast snoopers...'
I'm hoping that this procedure becomes a normal part of medical practice!
'... nothing was perfected until M. Pantalon announced the completion of his automatic valet.'
'...its streets were of remarkable width, with few or no buildings so high as mosques, churches, State-offices, or palaces in Tellurian cities.'
'...it was all composed of tiny, identical cubes, carefully laid to form a tilelike surface.'
