Feeds

Boffins whip up SELF-WIRING chip

Electrons steered through new nanomaterial

Top three mobile application threats

Boffins have developed a new nanoscale material that could potentially allow computers to rewire themselves according to the user's needs.

Scientists at Northwestern University decided to look at the problem of teeny-tiny circuits in ever-shrinking electronic devices in a new way, by coming up with a material that can be a resistor, a rectifier, a diode or a transistor depending on signals from a computer.

"Our new steering technology allows use to direct current flow through a piece of continuous material," said Bartosz A Grzybowski, the top brain on the research. "Like redirecting a river, streams of electrons can be steered in multiple directions through a block of the material - even multiple streams flowing in opposing directions at the same time."

The researchers put together some silicon-based and some polymer-based circuits to come up with nanoparticle-based electronics.

This new material consists of electrically conductive particles, five nanometres wide, coated with a positively charged chemical. These particles are swimming in a sea of negatively charged atoms, which are reconfigured as needed by applying an electrical charge.

The first study, in which the scientists made preliminary electronic components, explained:

By moving this sea of negative atoms around the material, regions of low and high conductance can be modulated; the result is the creation of a directed path that allows electrons to flow through the material. Old paths can be erased and new paths created by pushing and pulling the sea of negative atoms. More complex electrical components, such as diodes and transistors, can be made when multiple types of nanoparticles are used.

David A Walker, another boffin on the research, said the material could be used to allow a computer to rewire itself.

"Besides acting as three-dimensional bridges between existing technologies, the reversible nature of this new material could allow a computer to redirect and adapt its own circuitry to what is required at a specific moment in time," he explained.

The paper was published today in the journal Nature Nanotechnology. ®

Combat fraud and increase customer satisfaction

More from The Register

next story
Feast your PUNY eyes on highest resolution phone display EVER
Too much pixel dust for your strained eyeballs to handle
Samsung Galaxy S5 fingerprint scanner hacked in just 4 DAYS
Sammy's newbie cooked slower than iPhone, also costs more to build
Microsoft lobs pre-release Windows Phone 8.1 at devs who dare
App makers can load it before anyone else, but if they do they're stuck with it
Report: Apple seeking to raise iPhone 6 price by a HUNDRED BUCKS
'Well, that 5c experiment didn't go so well – let's try the other direction'
Rounded corners? Pah! Amazon's '3D phone has eye-tracking tech'
Now THAT'S what we call a proper new feature
Zucker punched: Google gobbles Facebook-wooed Titan Aerospace
Up, up and away in my beautiful balloon flying broadband-bot
US mobile firms cave on kill switch, agree to install anti-theft code
Slow and kludgy rollout will protect corporate profits
AMD unveils Godzilla's graphics card – 'the world's fastest, period'
The Radeon R9 295X2: Water-cooled, 5,632 stream processors, 11.5TFLOPS
Sony battery recall as VAIO goes out with a bang, not a whimper
The perils of having Panasonic as a partner
NORKS' own smartmobe pegged as Chinese landfill Android
Fake kit in the hermit kingdom? That's just Kim Jong-un-believable!
prev story

Whitepapers

Designing a defence for mobile apps
In this whitepaper learn the various considerations for defending mobile applications; from the mobile application architecture itself to the myriad testing technologies needed to properly assess mobile applications risk.
3 Big data security analytics techniques
Applying these Big Data security analytics techniques can help you make your business safer by detecting attacks early, before significant damage is done.
Five 3D headsets to be won!
We were so impressed by the Durovis Dive headset we’ve asked the company to give some away to Reg readers.
The benefits of software based PBX
Why you should break free from your proprietary PBX and how to leverage your existing server hardware.
Securing web applications made simple and scalable
In this whitepaper learn how automated security testing can provide a simple and scalable way to protect your web applications.