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"I myself feel that our country, for whose Constitution I fought in a just war, might as well have been invaded by Martians and body snatchers."
- Kurt Vonnegut, Jr.

Oxygen Freshener  
  A device that removed carbon dioxide from air and replaced it with fresh oxygen.  

"...Each of the suits has an oxygen freshener. Bring them here, Sven."

...Murkitt detached one of the fresheners from the inside of its overall. It was a brick-shaped piece of spongy chemical, processed to precipitate carbon from breathed air and released the freshened oxygen.

"This will break down our output of carbon dioxide for a time," announced Murkitt.

Technovelgy from Lost Rocket, by Manly Wade Wellman.
Published by Astounding Science-Fiction in 1941
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Science Fiction in the News

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'But the stars are only atoms in larger space, and in that larger space the star-atoms could combine to form living matter, thinking matter, couldn't they?'

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'...to build up a video picture would require, say, ten million decisions every second. Mike, you're so fast I can't even think about it. But you aren't that fast.'

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'The area affected was five hundred kilometres across, and perfectly circular.'

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'Call 'em Winter Mute," said the other, making it two words.'

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'Hasan always pitched a Gauzy - a one-molecule-layer tent, opaque, feather-light, and very tough.'

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'And he had been sent with troops, supplies and bombs to command Russia's most trusted post, the Moonbase.'

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