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"But the problem with reincarnation is that it's hard to imagine what the storage medium for past lives would be. Not to mention the input-output device. I hesitate to rule it out completely, but I'd need pretty definite proof."
- Arthur C. Clarke
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| Oxygen Concentrator | ||
| Gathers oxygen from a thin atmosphere until it is breathable, supporting life. |
As far as I know, the oxygen concentrator technology didn't become popular until the 1970's. This is an extension of the idea of a hyperbaric chamber, which dates from the early 1900's.
| He had an airsuit designed for Martian conditions, with a small pump operated by a power-beam from the boat to compress the atmosphere sufficiently for him to breathe it. The same unit recovered enough water from his breath so that the weight of supplies for several days was, in Martian gravity, not too great for him to bear. He had a .45 rifle built to shoot in Martian air, that was heavy enough for his purposes. |
| Technovelgy from Duel on Syrtis,
by Poul Anderson. Published by Planet Stories in 1951 Additional resources -
|
Compare to the oxygen hip flask from Earth (1990) by David Brin.
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'The observation vehicle was of that peculiar variety used in conveying a large number of people across rough terrain.'
'The real border was defended by... a swarm of quasi-independent aerostats.'
'I ... set my automatic astronomical instruments to searching for a habitable planet.'
'...haven't you a section of the factory where only robot labor is employed?'
'... oblongs were all over the floor and surfaces.'
