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Nanotechnology / Materials news 1234

True properties of carbon nanotubes measured

August 15, 2008 | User rating: 4.5 / 5 after 15 vote(s) | User comments: 2

For more than 15 years, carbon nanotubes (CNTs) have been the flagship material of nanotechnology. Researchers have conceived applications for nanotubes ranging from microelectronic devices to cancer therapy. Their atomic ...


Turning Waste Material into Ethanol

August 13, 2008 | User rating: 4.3 / 5 after 20 vote(s) | User comments: 6

(PhysOrg.com) -- Say the word “biofuels” and most people think of grain ethanol and biodiesel. But there’s another, older technology called gasification that’s getting a new look from researchers at the U.S. ...


Scientists discover networks of metal nanoparticles are culprits in alloy corrosion

August 04, 2008 | User rating: 3.7 / 5 after 7 vote(s) | User comments: 1

Oxide scales are supposed to protect alloys from extensive corrosion, but scientists at U.S. Department of Energy's Argonne National Laboratory have discovered metal nanoparticle chinks in this armor.


New nanotechnology tagging system to help solve gun crime

August 01, 2008 | User rating: 3.5 / 5 after 22 vote(s) | User comments: 7

Criminals who use firearms may find it much harder to evade justice in future, thanks to an ingenious new bullet tagging technology developed in the UK.


'Nanosculpture' could enable new types of heat pumps, energy converters

July 17, 2008 | User rating: 4.6 / 5 after 22 vote(s) | No comments yet

A new technique for growing single-crystal nanorods and controlling their shape using biomolecules could enable the development of smaller, more powerful heat pumps and devices that harvest electricity from ...


Protection built to scale -- fish scale, that is

July 27, 2008 | User rating: 4.3 / 5 after 41 vote(s) | User comments: 10

(PhysOrg.com) -- Scientists seeking to protect the soldier of the future can learn a lot from a relic of the past, according to an MIT study of a primitive fish that could point to more effective ways of designing ...


Nanojewels made easy

July 30, 2008 | User rating: 4.3 / 5 after 12 vote(s) | No comments yet

Butterfly wings, peacock feathers, opals and pearls are some of nature's jewels that use nanostructures to dazzle us with color. It's accomplished through the way light reaches our eyes after passing through the submicroscopic ...


Material may help autos turn heat into electricity

July 24, 2008 | User rating: 4.5 / 5 after 62 vote(s) | User comments: 19

Researchers have invented a new material that will make cars even more efficient, by converting heat wasted through engine exhaust into electricity. In the current issue of the journal Science, they describe a material ...


Engineers Prove Graphene is the Strongest Material

July 22, 2008 | User rating: 4.8 / 5 after 45 vote(s) | User comments: 23

(PhysOrg.com) -- Research scientists at Columbia University’s Fu Foundation School of Engineering and Applied Science have achieved a breakthrough by proving that the carbon material graphene is the strongest ...


Scientists design simpler, more accurate nanothermometer

July 26, 2006 | User rating: 4.3 / 5 after 39 vote(s) | No comments yet

By using carbon nanotubes containing gallium for measuring temperature at the nanoscale, scientists have invented a new nanothermometer that works simply by heating and cooling the tubes.


Nanoparticle Research Points to Energy Savings

July 23, 2008 | User rating: 4.9 / 5 after 21 vote(s) | User comments: 5

(PhysOrg.com) -- Adding just the right dash of nanoparticles to standard mixes of lubricants and refrigerants could yield the equivalent of an energy-saving chill pill for factories, hospitals, ships, and ...


Artificial Lotus Effect: Carbon nanotubes with nanoscopic paraffin coating form superhydrophobic, self-cleaning surfaces

July 23, 2008 | User rating: 4.6 / 5 after 14 vote(s) | User comments: 1

Never wash your car again? Never clean your windows? These may well become reality if it becomes possible to produce the right coatings—coatings that imitate the self-cleaning effect of the lotus blossom.


'Small' research at MSU leads to advances in energy, electronics

July 31, 2008 | User rating: 4.7 / 5 after 18 vote(s) | User comments: 1

A Michigan State University researcher and his students have developed a nanomaterial that makes plastic stiffer, lighter and stronger and could result in more fuel-efficient airplanes and cars as well as ...


Water inside single-walled carbon nanotubes

June 25, 2008 | User rating: 3.9 / 5 after 17 vote(s) | User comments: 2

Researchers have identified a signature for water inside single-walled carbon nanotubes, helping them understand how water is structured and how it moves within these tiny channels.


UBC physicists develop 'impossible' technique to study and develop superconductors

June 23, 2008 | User rating: 4.2 / 5 after 30 vote(s) | User comments: 3

A team of University of British Columbia researchers has developed a technique that controls the number of electrons on the surface of high-temperature superconductors, a procedure considered impossible for the past two decades.


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