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Smartwatch Powered By Slime Mold
A living smartwatch powered by slime mold has been devised and created by University of Chicago scientists Jasmine Lu and Pedro Lopes.
(Slime Mold Smartwatch)
Using the electrically conductive single-cell organism known as “slime mold,” the researchers created a watch that only works when the organism is healthy, requiring the user to provide it with food and care.The organism is placed in an enclosure on the watch, and the user must regularly feed it a mixture of water and oats to induce its growth. When the slime mold reaches the other side of the enclosure, it forms an electrical circuit that activates the heart rate monitor function. The organism can also enter a dormant state when not fed, allowing for revival days, months, or even years later.
Science fiction fans may recall Philip K. Dick, who was fascinated by the idea of combing living cells and electronics. Consider the amazing swibble from his 1955 short story Service Call:
Patiently, the repairman explained elementary physics. "Swibble-culture is an organic phenotype evolved in a protein medium under controlled conditions. The directing neurological tissue that forms the basis of the swibble is alive, certainly, in the sense that it grows, thinks, feeds, excretes waste. Yes, it's definitely alive. But the swibble, as a functioning whole, is a manufactured item. The organic tissue is inserted in the master tank and then sealed.
(Read more about Dick's swibble)
You should check out the Ampek F-a2 Recording System from his 1966 novel The Simulacra:
Nat Flieger reflexively poured water into a cup and fed the living protoplasm incorporated into the Ampek F-a2 recording system which he kept in his office; the Ganymedean life form did not experience pain and had not yet objected to being made over into a portion of an electronic system... neurologically it was primitive, but as an auditory receptor it was unexcelled.
(Read more about PKD's Ampek F-a2 Recording System )
Scroll down for more stories in the same category. (Story submitted 7/11/2025)
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Technovelgy (that's tech-novel-gee!) is devoted to the creative science inventions and ideas of sf authors. Look for the Invention Category that interests you, the Glossary, the Invention Timeline, or see what's New.
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I might also be thinking of K-9 from Doctor Who.
