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Nanotechnology / Materials news 1234

Gold Nanoparticles Prove to Be Hot Stuff

August 31, 2006 | User rating: 3.7 / 5 after 19 vote(s) | No comments yet

Gold nanoparticles are highly efficient and sensitive “handles” for biological molecules being manipulated and tracked by lasers, but they also can heat up fast—by tens of degrees in just a few nanoseconds—which ...


Nanowires may boost solar cell efficiency, engineers say

May 14, 2008 | User rating: 4.4 / 5 after 53 vote(s) | No comments yet

University of California, San Diego electrical engineers have created experimental solar cells spiked with nanowires that could lead to highly efficient thin-film solar cells of the future.


Cheaper LEDs from breakthrough in ZnO nanowire research

January 03, 2007 | User rating: 4.3 / 5 after 49 vote(s) | No comments yet

Engineers at UC San Diego have synthesized a long-sought semiconducting material that may pave the way for an inexpensive new kind of light emitting diode (LED) that could compete with today's widely used gallium ...


Improving Quantum Dot Synthesis

July 09, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet

Materials researchers at the National Institute of Standards and Technology have developed a simplified, low-cost process for producing high-quality, water-soluble quantum dots for biomedical applications. By using a laboratory ...


Scientists design new super-hard material

April 20, 2007 | User rating: 4.6 / 5 after 85 vote(s) | No comments yet

Ultra-hard materials are used for everything from drills that bore for oil and build new roads to scratch-resistant coatings for precision instruments and the face of your watch.


Pulsating gels could power tiny robots

November 02, 2006 | User rating: 4.4 / 5 after 28 vote(s) | No comments yet

As a kid, did you ever put those little capsules into warm water and watch them grow into dinosaurs? When certain gels are put into a solution, they will not only expand, but also contract again, repeatedly, as if the little ...


Nanosoccer debuts at RoboCup 2007

June 29, 2007 | User rating: 4.5 / 5 after 38 vote(s) | No comments yet

Imagine a mechanical Pelé or David Beckham six times smaller than an amoeba playing with a “soccer ball” no wider than a human hair on a field that can fit on a grain of rice. Purely science fiction? Not anymore.


Novel nano-etched cavity makes leds 7 times brighter

July 20, 2006 | User rating: 4.3 / 5 after 73 vote(s) | No comments yet

Researchers at the National Institute of Standards and Technology have made semiconductor light-emitting diodes (LEDs) more than seven times brighter by etching nanoscale grooves in a surrounding cavity to ...


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 ...


Re-inventing nature for cheaper solar power

September 01, 2006 | User rating: 4.4 / 5 after 117 vote(s) | No comments yet

A research team in Sydney has created molecules that mimic those in plants which harvest light and power life on Earth.


Nanotubes could improve thermal management in electronics

March 29, 2007 | User rating: 4.4 / 5 after 34 vote(s) | No comments yet

As the electronics industry continues to churn out smaller and slimmer portable devices, manufacturers have been challenged to find new ways to combat the persistent problem of thermal management. New research ...


Remarkable new nano-fiber clothing may someday power your iPod

February 13, 2008 | User rating: 4.4 / 5 after 35 vote(s) | User comments: 1

Nanotechnology researchers are developing the perfect complement to the power tie: a “power shirt” able to generate electricity to power small electronic devices for soldiers in the field, hikers and others ...


Chemists measure chilli sauce hotness with nanotubes

May 07, 2008 | User rating: 4.4 / 5 after 46 vote(s) | User comments: 5

Oxford chemists have found a way of using carbon nanotubes to judge the heat of chilli sauces. The technology might soon be available commercially as a cheap, disposable sensor for use in the food industry.


Inexpensive 'nanoglue' can bond nearly anything together

May 16, 2007 | User rating: 4.5 / 5 after 74 vote(s) | No comments yet

Researchers at Rensselaer Polytechnic Institute have developed a new method to bond materials that don’t normally stick together. The team’s adhesive, which is based on self-assembling nanoscale chains, could ...


Sweet nanotech batteries: Nanotechnology could solve lithium battery charging problems

April 10, 2008 | User rating: 4.3 / 5 after 30 vote(s) | User comments: 3

Nanotechnology could improve the life of the lithium batteries used in portable devices, including laptop computers, mp3 players, and mobile phones. Research to be published in the Inderscience publication - International ...


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