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"The immediate problem with our meat brains is that they have no back-up. We can lose the most precious information we have from one bump on the head or stroke. You want a mind system with back-up that can access other databases."
- Bart Kosko

Brain Erasure  
  Deleting selected knowledge from the brain using electrical impulses.  

How would you respond to this advertisement?

Do you want to know more?
Do you yearn to learn? But are you repelled by the dreary months and years of study?
Electro-Education is the answer! Study, classrooms, are now obsolete!

Or, perhaps this:

WHY GO TO COLLEGE FOR KNOWLEDGE?
Would You Drive A Horse and Buggy to Work? GET SMART THE MODERN WAY!

And what if you have already loaded your brain up to its maximum capacity? You might want to erase some of that material.

"... The scanner can erase this new-found knowledge from the brain, by using a neutralizing electronic impulse. Then the student can learn entirely new subjects."
Technovelgy from The Knowledge Machine, by Edmond Hamilton.
Published by Thrilling Wonder Stories in 1948
Additional resources -

Compare to erased memories from Philip K. Dick's 1966 story We Can Remember It For You Wholesale.

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Additional resources:
  More Ideas and Technology from The Knowledge Machine
  More Ideas and Technology by Edmond Hamilton
  Tech news articles related to The Knowledge Machine
  Tech news articles related to works by Edmond Hamilton

Articles related to Culture
Poul Anderson's 'Brain Wave'
Waymo Cars Shout At Each Other, Autonomously
Cognify - A Prison Of The Mind We've Seen Before In SF
Robot Preachers Found To Undermine Religious Commitment

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Science Fiction in the News

Biohybrid Robots Made Of Living And Synthetic Materials
'If the biological robots were not living creatures, they were certainly very good imitations.'

Drug Induces Hibernation-Like State In Humans
'... drugged and chilled and stowed in sleep tanks.'

Poul Anderson's 'Brain Wave'
"Everybody and his dog, it seemed, wanted to live out in the country; transportation and communication were no longer isolating factors."

AI Note-Taking From Google Meet
'... the new typewriter that could be talked to, and which transposed the spoken sound into typed words.'

Qore IcePlates Are Personal Cooling Suits
'... underneath they consisted of networks of cooling tubes against the skin.'

Waymo Cars Shout At Each Other, Autonomously
'My cars talk to one another. I have no doubt about it...'

Seeing Faces On Grains Of Sand (AI Pareidolia)
'... the imprint of her image on the telephoto cell.'

More SF in the News

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