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"Concepts of religion may now be goals of science and engineering."
- Bart Kosko

Brain Rejuvenation  
  Erase unnecessary parts of memory to make room for new impressions.  

"...our life span has been so tremendously increased that 85,000 cycles is not an uncommon age among us. That is because there are no parts to wear out. But what does happen is this: You know that the brain is only capable of absorbing a certain amount of knowledge and ideas. In the case of such a race as your own where the lifetimes are so short, this fact is of no account, as you probably only use a small fraction of your total mental capacity. But with us it is different. After a very long time the brain becomes saturated and loses the power of recording any new impression. When this occurs the individual is no longer conscious of the present but of the past only. Originally, as such a one was of no use to the community, they used to be painlessly exterminated. But in the light of advanced science it became possible to make certain operations on them which destroyed all the less important impressions and thus partially rejuvenated the brain. Each Extrosian can survive about forty of these treatments which are undergone once every two thousand cycles. After the brain has taken more than forty treatments, it grows stale and becomes worn out. Then it is extinguished. I myself am comparatively young, for I have as yet only taken eight treatments."
Technovelgy from The Message From Space, by David M. Speaker.
Published by Amazing Stories in 1930
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Science Fiction in the News

Bone-Building Drug Evenity Approved
'Compounds devised by the biochemists for the rapid building of bone...'

Secret Kill Switch Found In Yutong Buses
'The car faltered as the external command came to brake...'

Inmotion Electric Unicycle In Combat
'It is about the size and shape of a kitchen stool, gyro-stabilized...'

Grok Scores Best In Psychological Tests
'Try to find out how he ticks...'

PaXini Supersensitive Robot Fingers
'My fingers are not that sensitive...'

Congress Considers Automatic Emergency Braking, One Hundred Years Too Late
'The greatest problem of all was the elimination of the human element of braking together with its inevitable time lag.'

The Desert Ship Sailed In Imagination
'Across the ancient sea floor a dozen tall, blue-sailed Martian sand ships floated, like blue smoke.'

Thermostabilized Wet Meat Product (NASA Prototype)
There are no orbiting Michelin stars. Yet.

Could Crystal Batteries Generate Power For Centuries?
'Power could be compressed thus into an inch-square cube of what looked like blue-white ice'

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