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Nanotechnology news 1234

Study: Religion colors Americans' views of nanotechnology

February 15, 2008 | User rating: 3.9 / 5 after 30 vote(s) | User comments: 15

Is nanotechnology morally acceptable? For a significant percentage of Americans, the answer is no, according to a recent survey of Americans' attitudes about the science of the very small.


First Direct Images of Carbon Nanotubes Entering Cells

November 15, 2007 | User rating: 4.6 / 5 after 84 vote(s) | User comments: 12

For the first time, scientists have directly imaged carbon nanotubes entering and migrating within human cells, determining as a result that whether the nanotubes cause cell death depends on the dose and exposure ...


Tiny buckyballs squeeze hydrogen like giant Jupiter

March 20, 2008 | User rating: 4.2 / 5 after 55 vote(s) | User comments: 12

Hydrogen could be a clean, abundant energy source, but it's difficult to store in bulk. In new research, materials scientists at Rice University have made the surprising discovery that tiny carbon capsules called buckyballs ...


'Nanomechanical Oscillators' Could Lead to New Class of Computers

May 02, 2008 | User rating: 4.2 / 5 after 68 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 ...


Evolution in the nanoworld

October 30, 2007 | User rating: 4.1 / 5 after 24 vote(s) | User comments: 11

The automatic molecular assembly and selection steps exhibited by the molecules, which start as random mixtures, demonstrates a fundamental step in the evolution of life. The organization is activated by instructions ...


Nanobacteria – Are They Alive?

April 23, 2008 | User rating: 4.6 / 5 after 85 vote(s) | User comments: 9

Tiny particles called nanobacteria have intrigued researchers in many ways since their discovery 20 years ago, but perhaps the most controversial question they pose is whether or not they are alive.


Researchers demonstrate 'avalanche effect' in solar cells

May 26, 2008 | User rating: 4.3 / 5 after 117 vote(s) | User comments: 9

Researchers at TU Delft (Netherlands) and the FOM Foundation for Fundamental Research on Matter have found irrefutable proof that the so-called avalanche effect by electrons occurs in specific, very small ...


Feeling the Heat: Berkeley Researchers Make Thermoelectric Breakthrough in Silicon Nanowires

January 10, 2008 | User rating: 4.6 / 5 after 56 vote(s) | User comments: 8

Energy now lost as heat during the production of electricity could be harnessed through the use of silicon nanowires synthesized via a technique developed by researchers with the U.S. Department of Energy’s ...


New nanoparticle catalyst brings fuel-cell cars closer to showroom

March 19, 2008 | User rating: 4.8 / 5 after 34 vote(s) | User comments: 8

A University of Wisconsin-Madison and University of Maryland (UM) team has developed a new nanotechnology-driven chemical catalyst that paves the way for more efficient hydrogen fuel-cell vehicles.


New Properties Discovered for Nanotube Sheets

April 25, 2008 | User rating: 4.5 / 5 after 55 vote(s) | User comments: 8

A team of nanotechnologists at The University of Texas at Dallas, along with Brazilian collaborators, have discovered that sheets of carbon nanotubes can produce bizarre mechanical properties when stretched ...


'Super paper:' New nanopaper more break-resistant than cast iron

June 09, 2008 | User rating: 4.2 / 5 after 43 vote(s) | User comments: 8

Researchers in Sweden and Japan report development of a new type of paper that resists breaking when pulled almost as well as cast iron. The new material, called "cellulose nanopaper," is made of sub-microscopic ...


Move over, silicon: Advances pave way for powerful carbon-based electronics

December 18, 2007 | User rating: 4.7 / 5 after 67 vote(s) | User comments: 7

Bypassing decades-old conventions in making computer chips, Princeton engineers developed a novel way to replace silicon with carbon on large surfaces, clearing the way for new generations of faster, more powerful cell phones, ...


Researchers develop darkest manmade material

January 22, 2008 | User rating: 4.4 / 5 after 37 vote(s) | User comments: 7

Researchers at Rensselaer Polytechnic Institute and Rice University have created the darkest material ever made by man.


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 ...


Using fireballs to uncover the mysteries of ball lightning

February 18, 2008 | User rating: 4.4 / 5 after 51 vote(s) | User comments: 6

“People have been pondering ball lightning for a couple of centuries,” says James Brian Mitchell, a scientist the University of Rennes in France. Mitchell says that different theories of how it forms, and why it burns in ...


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