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Nanotechnology / Materials news 1234

Scientists grow 'nanonets' able to snare added energy transfer

September 02, 2008 | User rating: 4.7 / 5 after 16 vote(s) | No comments yet

Using two abundant and relatively inexpensive elements, Boston College chemists have produced nanonets, a flexible webbing of nano-scale wires that multiplies surface area critical to improving the performance ...


Air-purifying church windows early nanotechnology

August 21, 2008 | User rating: 4.6 / 5 after 56 vote(s) | User comments: 5

Stained glass windows that are painted with gold purify the air when they are lit up by sunlight, a team of Queensland University of Technology experts have discovered.


An Unconventional Metal

August 20, 2008 | User rating: 4.4 / 5 after 34 vote(s) | User comments: 2

The semiconductor silicon and the ferromagnet iron are the basis for much of mankind's technology, used in everything from computers to electric motors. In this week's issue of the journal Nature (August ...


True properties of carbon nanotubes measured

August 15, 2008 | User rating: 4.6 / 5 after 21 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 22 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: 3.5 / 5 after 8 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: 3.6 / 5 after 24 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.


'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 ...


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 ...


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 ...


Material may help autos turn heat into electricity

July 24, 2008 | User rating: 4.5 / 5 after 63 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 ...


Nanoparticle Research Points to Energy Savings

July 23, 2008 | User rating: 4.9 / 5 after 22 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.


Engineers Prove Graphene is the Strongest Material

July 22, 2008 | User rating: 4.7 / 5 after 46 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 ...


'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 ...


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