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"If you don't care about science enough to be interested in it on its own, you shouldn't try to write hard science fiction."
- Frederik Pohl
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| Tag-Along Balloon | ||
| A bladder-like device that both finds and temporarily fixes leaks in moon tunnels or space station habitats. |
You're in a space station or habitat in a vacuum. One of the most serious dangers you face is the loss of air; how can you find and fix leaks?
| There were perhaps a dozen bladder-like objects in the tunnel, the size and shape of toy balloons. They seemed to displace exactly their own weight of air; they floated without displaying much tendency to rise or settle. Konski batted one out of his way and answered me before I could ask.
"This piece of tunnel was pressurized today," he told me. "These tag-alongs search out stray leaks. They're sticky inside. They get sucked up against a leak, break, and the goo gets sucked in, freezes and seals the leak." "Is that a permanent repair?" I wanted to know. "Are you kidding? It just shows the follow-up man where to weld." |
| Technovelgy from Gentlemen, Be Seated,
by Robert Heinlein. Published by Argosy in 1948 Additional resources -
|
This is such a simple solution to the problem. The slow leak of air causes the balloons to move to the source of the problem. When they are sucked up against the small hole, they are popped, releasing material to stop up the leak.
Obviously, this would only work with small leaks.
Compare to quartzite leak foil from The Great Dome of Mercury (1932) by Leo Zagat, leak disks from Islands in the Sky (1952) by Arthur C. Clarke and plug-ups from Passage at Arms (1985) by Glen Cook.
Another way to plug holes in spacecraft or other constructions in space is to have some sort of material already present in the walls. Compare to
alpha inserts from Exiles of the Moon (1931) by Schachner and Zagat, quartzite leak foil from The Great Dome of Mercury (1932) by Leo Zagat, plastifoam from Collision Orbit (1941) by Jack Williamson and self-sealing plastic from Asteroid of Fear (1951) by Raymond Z. Gallun.
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Additional
resources:
More Ideas
and Technology from Gentlemen, Be Seated
More Ideas
and Technology by Robert Heinlein
Tech news articles related to Gentlemen, Be Seated
Tech news articles related to works by Robert Heinlein
Tag-Along Balloon-related
news articles:
- Ultrasonic Noise Betrays ISS Leaks
| Is China Mining Helium-3 On The Moon's Farside? |
| Solitary Black Hole Wanders In Space |
| Spaceplane From Virgin Atlantic |
| Taikonauts Exercise In China's Tiangong Space Station |
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'...small electric motors at the principal joints worked the prosthetic framework by means of steel cables...'
'Living protoplasm incorporated into the Ampek F-a2 recording system...'
'Twoflower's Luggage, which was currently ambling along on its little legs...'
'He came to as the ship went into free flight, arching in a high parabola over the plains...'
'The peculiar quality of this light, which gave it its great preeminence over all other penetrating rays...'
'The overworked leg motor would have to cool down before he could work on it...'
‘Where to, sport?’ the starter at cab relay asked.
