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"Human beings hardly ever learn from the experience of others. They learn; when they do, which isn't often, on their own, the hard way."
- Robert Heinlein
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| Voice-Activated Door | ||
| A door that opens upon verbal command. |
| He had pounded out only a few sentences when there was a purr from the
announcer. He glared at the door for a full minute before he decided to admit he was there:
“Come in,” he growled. His voice activated the relays which unlocked the door and issued an invitation for the visitor to enter. |
| Technovelgy from Assignment to Aldebaran,
by Kendall Foster Crossen. Published by Thrilling Wonder Stories in 1953 Additional resources -
|
Compare to the Detectophone from Ralph 124c 41 + (1911), by Hugo Gernsback, as far as I know the first reference to a voice-activated machine in sf.
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and Technology from Assignment to Aldebaran
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Tech news articles related to works by Kendall Foster Crossen
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| Roborock Saros Z70 Is A Robot Vacuum With An Arm |
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'...each of them is a neural mapping of the mind of a Tibetan monk who actually lived.'
'...there's a narrow belt where the climate is moderate.'
'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.'
'... every veephone on the continent would display, over and over, two propositions.'
'Completely silent, accurate up to about twenty meters. No recoil...'
'He wore spectacles with thick wavy lenses. The spectacles were intended to make him not only half blind, but to give him whanging headaches besides.'
