Living Slime Mold Builds Logical Circuits
European researchers have built circuit logic units using living slime molds; this could be the start of computing devices and sensors. Andrew Adamatzky (University of the West of England, Bristol, UK) and Theresa Schubert (Bauhaus-University Weimar, Germany) have used networks of living, interconnected slime mold tubes to process information.
In earlier work, the team demonstrated that such a tube network could absorb and transport different colored dyes. They then fed it edible nutrients -- oat flakes -- to attract tube growth and common salt to repel them, so that they could grow a network with a particular structure. They then demonstrated how this system could mix two dyes to make a third color as an "output."
Using the dyes with magnetic nanoparticles and tiny fluorescent beads, allowed them to use the slime mold network as a biological "lab-on-a-chip" device. This represents a new way to build microfluidic devices for processing environmental or medical samples on the very small scale for testing and diagnostics, the work suggests. The extension to a much larger network of slime mold tubes could process nanoparticles and carry out sophisticated Boolean logic operations of the kind used by computer circuitry.
The team has so far demonstrated that a slime mold network can carry out XOR or NOR Boolean operations. Chaining together arrays of such logic gates might allow a slime mold computer to carry out binary operations for computation.
"The slime mold based gates are non-electronic, simple and inexpensive, and several gates can be realized simultaneously at the sites where protoplasmic tubes merge," conclude Adamatzky and Schubert.
Fans of Star Trek Voyager may recall similar technology described in the 1995 episode Caretaker.
(Blue gel pack in the panel behind a replicator )
The gel packs formed the basis of the bio-neural circuitry, which was essentially an organic computer system. The packs contained neural fibers surrounded in a blue gel with metallic interfaces on the top and bottom. They helped store more information and operated at faster speeds than isolinear circuitry.
The fibers in an individual gel pack were capable of making billions of connections, thus generating an incredibly sophisticated and responsive computing architecture. This kind of organic circuitry allowed computers to "think" in very similar ways to living organisms; by using "fuzzy logic", they could effectively operate by making a "best guess" answer to complex questions rather than working through all possible calculations. This was due in part to the inherent ability of organic neural systems to correlate chaotic patterns that eluded the capacities of conventional hardware.
Via ScienceDaily; thanks to an anonymous reader for the tip and reference on this story.
Scroll down for more stories in the same category. (Story submitted 3/28/2014)
Follow this kind of news @Technovelgy.
| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |
you like to contribute a story tip?
Get the URL of the story, and the related sf author, and add
Comment/Join discussion ( 0 )
Related News Stories -
String Art Courtesy Of Robot Artist
The number of different ways to span a thread between a larger number of hooks is astronomical.
Tetraplegics Dominate Avatar Races
Well, just speaking brain-to-computer...
IBM's Grain Of Sand Computer
'Our ancestors... thought to make the very sand beneath their feet intelligent...' - Stanislaw Lem, 1965.
Can An Entire Brain Be Simulated In A Computer?
'The miles of relays and photocells had given way to the spongy globe of platinum iridium about the size of the human brain.' - Isaac Asimov, 1941.
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.
North Focals Smart Glasses Provide Augmented Reality In Style
'The world ... is drenched in unfamiliar information all the way to the horizon.'
Tesla Driver Caught Napping Behind The Wheel
'Mary Risling settled back for a little nap...'
Hayabusa 2 To Begin Asteroid Mining
'We must dig down, and then doubtless we shall find the metal.'
Ionocraft Drone Powered By Electrohydrodynamic Thrust
'He saw one hiss by him as he rounded the corner, trailing a short whip antenna...'
Purdue Pharma Ready To Profit From OxyContin Use Or Addiction Recovery
'It may be organic damage. It may be permanent. Time'll tell, and only after you are off Substance D for a long while.'
BloxVox Mutes Cellphone Convos
It's the polite thing to do, and has been the polite thing to do for about four generations.
Superfast Replicator: Volumetric Additive Manufacturing
I can't wait. Bring it on.
DNA May Contain Malware
'You were told to embed the logical pathogen.'
I Can't Resist Worm Robots
'Seen close it was not completely flexible...'
Rplate Digital License Plates Now Legal In Michigan
'Gragg's digital ink license plates ...'
Can Musk Starship Astronauts Use Magnetic Boots?
'Walking awkwardly in the magnetic boots that held him to the black mass of meteoric iron...'
Giant Dolphin Spotted On Jupiter!
'Now at last he could appreciate its real size and complexity...'
Musk's Starship An SF Fan's Dream Come True
Perfect for testing, perfect for fans!
TinyMobileRobots Are Sewer Sentinels
Every movie monster gets its start someplace.
Fishy Facial Recognition Now Possible
'Palenkis can identify random line patterns better than any other species in the universe.'
Spicy Tomatoes Created With Genetic Engineering
How about mashed potatoes and brown gravy?
More SF in the News Stories
More Beyond Technovelgy science news stories