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"The whole problem of energy sources is going to be solved by little solutions, not by some big new piece of technology that does everything. We got into this crisis by believing that we had one big piece of technology that would do everything (oil)."
- Gregory Benford

Electric Diaper  
  A diaper that will indicate when it is wet.  

In this excellent novella-length story, Dr. Keller needs a diaper that signals wetness, in order to notify the Psychophonic Nurse taking care of the baby.

"...suppose the baby gets wet between times? Suppose it starts to cry?"

"I've thought of that, too. In every diaper there is a fine copper wire. When that becomes wet a delicate current is sent - you understand I mean an electrical current, not a watery one - to an amplifier and a certain sound is made, and the nurse will properly react to that sound..."

Technovelgy from The Psychophonic Nurse, by David H. Keller.
Published by Amazing Stories in 1928
Additional resources -

The Psychotronic Nurse is basically a robot or automaton that is able to perform different functions; however, it requires an audible signal to perform a function.

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Additional resources:
  More Ideas and Technology from The Psychophonic Nurse
  More Ideas and Technology by David H. Keller
  Tech news articles related to The Psychophonic Nurse
  Tech news articles related to works by David H. Keller

Electric Diaper-related news articles:
  - Solar Power Necktie (Clip-On Only)
  - Space Toilet Diaper From Japan
  - Underpant's Amperometric Biosensors Don't Chafe SF Fans
  - Exmobaby Biosensor Pajamas For Baby
  - iBag Urine Bag Tweets When Full
  - Smart Bra From First Warning Systems
  - Smart Diapers Help Spot Disease
  - 'Smart Sock' From Owlet Baby Care
  - Owlet Vitals, The Future Of Baby Monitoring
  - Mimo Baby Monitor
  - MC10 Electronics Skin Stickers

Articles related to Clothing
Skip Movewear Arc'teryx AI Pants
Kolors Virtual-Try-On Predicted, And TRIED, By Harry Harrison
Qore IcePlates Are Personal Cooling Suits
Fabrican Dress Sprayed Directly Onto Model On Coperni Runway

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