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Nanotechnology / Physics news 1234

Advance toward nanotechy approach to protein engineering reported

June 09, 2006 | User rating: 5 / 5 after 6 vote(s) | No comments yet

UCLA physicists report a significant step toward a new approach to protein engineering in the June 8 online edition, and in the July print issue, of the Journal of the American Chemical Society.


Carbon Nanotube Windmills Powered by 'Electron Wind'

10 hours ago | User rating: 5 / 5 after 26 vote(s) | User comments: 6

Theoretical physicists from Lancaster University in the UK have designed a nanomotor that operates by a novel mechanism: an electron wind.


Doping technique brings nanomechanical devices into the semiconductor world

September 26, 2007 | User rating: 4.9 / 5 after 19 vote(s) | No comments yet

With the help of a device capable of depositing metals an atom at a time in the materials used in computer chips, a team of University of Wisconsin-Madison engineers has successfully blended modern semiconductor technology ...


Nanoswitches Toggled by Light

November 26, 2007 | User rating: 4.9 / 5 after 16 vote(s) | No comments yet

Microscopic fissures in a tiny crystal open and close—on command. Researchers led by Ahmed H. Zewail successfully used ultrafast electron microscopy (UEM) to observe nanoscopic structures at their “exercises”, as they report ...


Silicon nanoparticles enhance performance of solar cells

August 20, 2007 | User rating: 4.9 / 5 after 31 vote(s) | No comments yet

Placing a film of silicon nanoparticles onto a silicon solar cell can boost power, reduce heat and prolong the cell’s life, researchers now report.


Nanoscale imaging reveals unexpected behaviors in high-temperature superconductors

May 30, 2007 | User rating: 4.9 / 5 after 45 vote(s) | No comments yet

Recent discoveries regarding the physics of ceramic superconductors may help improve scientists' understanding of resistance-free electrical power.


Team develops novel method for nanostructured polymer thin films

September 14, 2007 | User rating: 4.8 / 5 after 13 vote(s) | No comments yet

All researchers at the National Institute of Standards and Technology wanted was a simple, quick method for making thin films of block copolymers or BCPs (chemically distinct polymers linked together) in order ...


New Finding Opens Path for Designing Novel Complex Oxide Nanomaterials

October 11, 2007 | User rating: 4.8 / 5 after 24 vote(s) | No comments yet

A University of Arkansas researcher and his colleagues have found a novel way to "look" at atomic orbitals, and have directly shown for the first time that they change substantially when interacting at the ...


Nanowire battery holds 10 times the charge of existing ones

December 18, 2007 | User rating: 4.8 / 5 after 185 vote(s) | User comments: 3

Stanford researchers have found a way to use silicon nanowires to reinvent the rechargeable lithium-ion batteries that power laptops, iPods, video cameras, cell phones, and countless other devices.


Researchers mimic bacteria to produce magnetic nanoparticles

April 14, 2008 | User rating: 4.8 / 5 after 22 vote(s) | No comments yet

When it comes to designing something, it’s hard to find a better source of inspiration than Mother Nature. Using that principle, a diverse, interdisciplinary group of researchers at the U.S. Department of ...


IBM Brings Single-Atom Data Storage, Molecular Computers Closer to Reality

August 30, 2007 | User rating: 4.8 / 5 after 89 vote(s) | No comments yet

IBM today announced two major scientific achievements in the field of nanotechnology that could one day lead to new kinds of devices and structures built from a few atoms or molecules.


Make Way for the Real Nanopod: Researchers Create First Fully Functional Nanotube Radio

October 31, 2007 | User rating: 4.8 / 5 after 83 vote(s) | User comments: 1

Make way for the real nanopod and make room in the Guinness World Records. A team of researchers with the US Department of Energy's Lawrence Berkeley National Laboratory and the University of California at ...


Nanowire generates its own electricity

October 17, 2007 | User rating: 4.8 / 5 after 37 vote(s) | No comments yet

Harvard chemists have built a new wire out of photosensitive materials that is hundreds of times smaller than a human hair. The wire not only carries electricity to be used in vanishingly small circuits, but generates power ...


Trap and zap: Harnessing the power of light to pattern surfaces on the nanoscale

June 18, 2008 | User rating: 4.8 / 5 after 27 vote(s) | User comments: 1

Princeton engineers have invented an affordable technique that uses lasers and plastic beads to create the ultrasmall features that are needed for new generations of microchips.


Scientists carve 3D microstructures in carbon nanotube forests

September 14, 2007 | User rating: 4.8 / 5 after 44 vote(s) | No comments yet

Using a focused laser beam to selectively burn regions of a dense forest of multiwalled carbon nanotubes (MWNTs), researchers have demonstrated a method that may enable rapid prototyping of nanotube microstructures.


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