Systemic Computer Is Self-Repairing
A self-repairing machine created at the University College London (UCL) mimics the apparent randomness found in nature and can instantly recover from crashes by repairing corrupted data.
Everyday computers are ill suited to modelling natural processes such as how neurons work or how bees swarm. This is because they plod along sequentially, executing one instruction at a time. "Nature isn't like that," says UCL computer scientist Peter Bentley. "Its processes are distributed, decentralised and probabilistic. And they are fault tolerant, able to heal themselves. A computer should be able to do that."
He and UCL's Christos Sakellariou have created a computer in which data is married up with instructions on what to do with it. For example, it links the temperature outside with what to do if it's too hot. It then divides the results up into pools of digital entities called "systems".
Each system has a memory containing context-sensitive data that means it can only interact with other, similar systems. Rather than using a program counter, the systems are executed at times chosen by a pseudorandom number generator, designed to mimic nature's randomness. The systems carry out their instructions simultaneously, with no one system taking precedence over the others, says Bentley. "The pool of systems interact in parallel, and randomly, and the result of a computation simply emerges from those interactions," he says.
Crucially, the systemic computer contains multiple copies of its instructions distributed across its many systems, so if one system becomes corrupted the computer can access another clean copy to repair its own code. And unlike conventional operating systems that crash when they can't access a bit of memory, the systemic computer carries on regardless because each individual system carries its own memory.
The pair are now working on teaching the computer to rewrite its own code in response to changes in its environment, through machine learning.
In thinking about this device with respect to science fiction, I was reminded of the android Ruk from the classic Star Trek episode What Little Girls Are Made Of; Ruk is able to slowly recapitulate his orders and programming from the Old Ones under stress. Readers may be able to think of others.
Via New Scientist.
Scroll down for more stories in the same category. (Story submitted 2/21/2013)
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.
Miners! NASA Wants To License RASSOR Excavator
'The borers had been dismantled and packed away.'
Bee+ Robobee Now With Four Wings
'It was a tiny thing, scarcely more than an inch and a half in length...'
CNSILK Robotic Spider Builder
'We could certainly spin a web right through the Solar System, if we can think of a good use for one.'
Starshade Will Help Space Telescope To Search For Exoplanets
'When it found planetary systems in its field, automatically shifted upon them a higher powered telespectroscope ...'
Tiny LEDs Developed For Dust-Sized Computers
'They use sparkles to talk to each other...'
Is There Extraterrestrial Life Here In The Solar System
'How fast is it moving? ...one meter per minute.'
Can We Comprehend Deep Learning Systems?
'Youíve nothing remotely like it, so I canít describe it to you.'
Skin Electronics Can Show Electrocardiogram
'... the young men in the streets who applied polyimde OLED body film to their bared shoulders.'
Chinese Fern Helps Remediate Arsenic Soil
'Bioengeering had put out a spec report on the long crawly things five months back.'
Skai Air Taxi Costs The Same As Uber
'The air-taxi found its way past and around other ground-cars...'
Neurodevices For Consumers? Neuroethicists (And Philip K Dick) Say 'Caveat Emptor'
'They tried to use it today and it wouldn't work. No colors and no ceph patterns, neither one...'
NASA 3D Printed Habitat Challenge Won By AI SpaceFactory
3D printing - on Mars!
The Future Of Elon Musk's Neuralink
'Cerebral Electromagnetic Emmission Amplification and Relay System ó call it artificial telepathy, if you like.'
Researchers Make You Say Anything in Videos
'[It] caused his televised image... to mouth the vowels and consonants beautifully.'
Jeff Bezos Tries Waldoes (Robotic Hands)
'Waldo put his arms into the primary pair before him...'
Asimov and Musk - Boring Company Tunnel vs. Street Race
'There was almost no sound, just a steady velvety whirr as the taxi sped along.'
More SF in the News Stories
More Beyond Technovelgy science news stories