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Nanotechnology news 1234

Creating Highly Sought Magnetic Nanoparticles in One Step

May 02, 2008 | User rating: 3.9 / 5 after 10 vote(s) | No comments yet

Researchers from the University of Minnesota have demonstrated a one-step technique for producing a class of magnetic nanoparticles that could be used in everything from biomedical applications to data storage. ...


Nano-designed transistors with disordered materials, but high performance

May 02, 2008 | User rating: 4.2 / 5 after 12 vote(s) | No comments yet

The Holy Grail for transistor designers has been the requirement to be able to get high performance at reduced costs over very large substrate areas. Transistors on cheap and flexible substrates like glass and plastics are ...


Environmental fate of nanoparticles depends on properties of water carrying them

May 02, 2008 | User rating: 4.6 / 5 after 10 vote(s) | No comments yet

The fate of carbon-based nanoparticles spilled into groundwater – and the ability of municipal filtration systems to remove the nanoparticles from drinking water – depend on subtle differences in the solution ...


'Nanomechanical Oscillators' Could Lead to New Class of Computers

May 02, 2008 | User rating: 4.2 / 5 after 67 vote(s) | User comments: 12

More than 50 years ago, a graduate student in Japan conceived the “Parametron,” an electrical circuit that could form the basis for digital computers. The concept ultimately fell flat, but recently a pair ...


Spiraling nanotrees offer new twist on growth of nanowires

May 01, 2008 | User rating: 4.5 / 5 after 16 vote(s) | No comments yet

Since scientists first learned to make nanowires, the nano-sized wires just a few millionths of a centimeter thick have taken many forms, including nanobelts, nanocoils and nanoflowers.


Sandia researcher examines the physics of carbon nanotubes

May 01, 2008 | User rating: 4.1 / 5 after 8 vote(s) | No comments yet

Carbon nanotubes, described as the reigning celebrity of the advanced materials world, are all the rage. Recently researchers at Rice University and Rensselaer Polytechnic Institute used them to make the “blackest ...


Go Speed Racer! Revving up the world's fastest nanomotors

May 01, 2008 | User rating: 4.5 / 5 after 24 vote(s) | User comments: 4

In a “major step” toward a practical energy source for powering tomorrow’s nanomachines, researchers in Arizona report development of a new generation of sub-microscopic nanomotors that are up to 10 times ...


Heat transfer between materials is focus of new research grant

April 30, 2008 | User rating: not shown ( 4 vote(s) ) | User comments: 1

Managing heat is a major challenge for engineers who work on devices from jet engines to personal electronics to nano-scale transistors.


Graphene-based gadgets may be just years away

April 30, 2008 | User rating: 4.8 / 5 after 61 vote(s) | User comments: 3

Researchers at The University of Manchester have produced tiny liquid crystal devices with electrodes made from graphene – an exciting development that could lead to computer and TV displays based on this ...


Making a good impression: Nanoimprint lithography tests at NIST

April 29, 2008 | User rating: 3.9 / 5 after 8 vote(s) | User comments: 7

In what should be good news for integrated circuit manufacturers, recent studies by the National Institute of Standards and Technology have helped resolve two important questions about an emerging microcircuit ...


Too much nanotechnology may be killing beneficial bacteria

April 29, 2008 | User rating: 4.6 / 5 after 16 vote(s) | No comments yet

Too much of a good thing could be harmful to the environment. For years, scientists have known about silver’s ability to kill harmful bacteria and, recently, have used this knowledge to create consumer products containing ...


Nanoengineered barrier invented to protect plastic electronics from water degradation

April 29, 2008 | User rating: 4.3 / 5 after 9 vote(s) | No comments yet

A breakthrough barrier technology from Singapore A*STAR’s Institute of Materials Research and Engineering (IMRE) protects sensitive devices like organic light emitting diodes (OLEDs) and solar cells from moisture 1000 times ...


Copper nanowires grown by new process create long-lasting displays

April 28, 2008 | User rating: 4.7 / 5 after 11 vote(s) | No comments yet

A new low-temperature, catalyst-free technique for growing copper nanowires has been developed by researchers at the University of Illinois. The copper nanowires could serve as interconnects in electronic device fabrication ...


'Sticky nanotubes' hold key to future technologies

April 28, 2008 | User rating: 4.2 / 5 after 15 vote(s) | User comments: 3

Researchers at Purdue University are the first to precisely measure the forces required to peel tiny nanotubes off of other materials, opening up the possibility of creating standards for nano-manufacturing ...


Are nanobots on their way?

April 28, 2008 | User rating: 4.8 / 5 after 22 vote(s) | User comments: 3

[The first real steps towards building a microscopic device that can construct nano machines have been taken by US researchers. Writing in the peer-reviewed publication, International Journal of Nanomanufacturing from ...


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