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"To get anywhere, or even live a long time, a man has to guess, and guess right, over and over again, without enough data for a logical answer."
- Robert Heinlein
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| Selenium Photo-Electric Televisor | ||
| A specialized photo-electric cell. |
| Then a bell sounded.
"That is the signal that we have passed the limit of gravity between the earth and the moon..." In fact, without that signal which was given by an ingenious selenium photo-electric televisor, as soon as the disk of the moon enlarged beyond a certain size on the projection surface, which corresponded to the previously calculated distance of the point free from gravitation, they would not have noticed at all that the ship had now passed from the sphere of influence of the earth into that of its satellite. |
| Technovelgy from A Daring Trip To Mars,
by Max Valier. Published by Wonder Stories in 1931 Additional resources -
|
The author also engages in a very careful discussion about the effects of weightlessness, correcting errors of "previous novelists".
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More Ideas
and Technology from A Daring Trip To Mars
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and Technology by Max Valier
Tech news articles related to A Daring Trip To Mars
Tech news articles related to works by Max Valier
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| Will Space Stations Have Large Interior Spaces Again? |
| Reflect Orbital Offers 'Sunlight on Demand' And Light Pollution |
| Chrysalis Generation Ship to Alpha Centauri |
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'He wrote on it, using the pointed fingernail of his right forefinger...'
'Frank was cursing into his wristpad, switching between Arabic and English.'
'...each of them is a neural mapping of the mind of a Tibetan monk who actually lived.'
'The leg was to function, in a way, as a servo-mechanism operated by Larry’s brain, through the mediation of the electronic brain in the leg.'
'...there's a narrow belt where the climate is moderate.'
'... every veephone on the continent would display, over and over, two propositions.'
'Completely silent, accurate up to about twenty meters. No recoil...'
