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"I think that self-limitation is the major limiting factor for most people in the world."
- Frank Herbert
 |
| 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..." |
| 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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