Nanophysics news

New statistical technique improves precision of nanotechnology data

Nanotechnology / Nanophysics

Jul 01, 2009 | 3 / 5 (2) | 0

A new statistical analysis technique that identifies and removes systematic bias, noise and equipment-based artifacts from experimental data could lead to more precise and reliable measurement of nanomaterials ...

Integrated optical trap holds particles for on-chip analysis

Nanotechnology / Nanophysics

Jun 30, 2009 | not rated yet | 0

(PhysOrg.com) -- A new type of optical particle trap can be used to manipulate bacteria, viruses and other particles on a chip as part of an integrated optofluidic platform. The optical trap is the latest ...

Nanotubes weigh the atom

Nanotechnology / Nanophysics

Jun 29, 2009 | 5 / 5 (2) | 0

(PhysOrg.com) -- How can you weigh a single atom? European researchers have built an exquisite new device that can do just that. It may ultimately allow scientists to study the progress of chemical reactions, ...

Portable Precision: A New Type of Atomic Clock

Nanotechnology / Nanophysics

Jun 11, 2009 | 3.2 / 5 (9) | 2

The most accurate atomic clocks in the world are based on the output of cesium atoms. These ultra-precise fountain clocks measure the frequency and time interval of seconds by using a fountain-like movement of cesium atoms. ...

Bilayer graphene gets a bandgap

Nanotechnology / Nanophysics

Jun 10, 2009 | 4.7 / 5 (6) | 1

Graphene is the two-dimensional crystalline form of carbon, whose extraordinary electron mobility and other unique features hold great promise for nanoscale electronics and photonics. But there's a catch: ...

A Billion Year Ultra-Dense Memory Chip (w/Video)

Nanotechnology / Nanophysics

Jun 04, 2009 | 4.3 / 5 (28) | 12

(PhysOrg.com) -- Berkeley Lab researchers have created a unique ultra-high density memory storage medium that can preserve digital data for a billion years.

Study of gecko feet leads to advances in the science of friction (w/Video)

Nanotechnology / Nanophysics

Jun 04, 2009 | 4.3 / 5 (3) | 0

(PhysOrg.com) -- Whether it’s driving on icy roads, rock climbing, or getting a better grip on a bat, the science of friction and adhesion plays a role—large and small—in many human activities. In a new research paper published ...

Nanoscale zipper cavity responds to single photons of light

Nanotechnology / Nanophysics

Jun 04, 2009 | 3 / 5 (1) | 0

Physicists at the California Institute of Technology have developed a nanoscale device that can be used for force detection, optical communication, and more. The device exploits the mechanical properties of ...

Atom Pinhole Camera Acts as a Shrinking Copy Machine

Nanotechnology / Nanophysics

Jun 01, 2009 | 4.4 / 5 (19) | 9

(PhysOrg.com) -- In 1983, Richard Feynman proposed the idea of a machine that could create smaller scale replicas of itself. Today, such a system is still a challenge, but a machine that can produce nanometer-sized ...

A quicker, cheaper SARS virus detector -- one easily customizable for other targets

Nanotechnology / Nanophysics

May 29, 2009 | 5 / 5 (2) | 1

Members of a USC-led research team say they've made a big improvement in a new breed of electronic detectors for viruses and other biological materials — one that may be a valuable addition to the battle against ...

Molecules which flip into their own mirror image

Nanotechnology / Nanophysics

May 29, 2009 | 3 / 5 (2) | 0

Catalysts do function, despite the fact that not all the chemical reactions (and partial reactions) which occur are fully understood, including those which take place during the treatment of automobile exhaust. ...

Evidence of macroscopic quantum tunneling detected in nanowires

Nanotechnology / Nanophysics

May 27, 2009 | 4.2 / 5 (13) | 6

A team of researchers at the University of Illinois has demonstrated that, counter to classical Newtonian mechanics, an entire collection of superconducting electrons in an ultrathin superconducting wire is ...

New rotors could help develop nanoscale generators

Nanotechnology / Nanophysics

May 27, 2009 | 3 / 5 (1) | 0

(PhysOrg.com) -- Scientists at the University of Liverpool have developed a molecular structure that could help create current-generating machines at the nanoscale.

All your movies on a single DVD: study

Nanotechnology / Nanophysics

May 20, 2009 | 4.8 / 5 (32) | 9

Scientists unveiled new DVD technology on Wednesday that stores data in five dimensions, making it possible to pack more than 2,000 movies onto a single disc.

Graphene Yields Secrets to Its Extraordinary Properties

Nanotechnology / Nanophysics

May 14, 2009 | 4.8 / 5 (24) | 0

(PhysOrg.com) -- Applying innovative measurement techniques, researchers from the Georgia Institute of Technology and the National Institute of Standards and Technology have directly measured the unusual energy ...

Controllable double quantum dots and Klein tunneling in nanotubes

Nanotechnology / Nanophysics

May 14, 2009 | not rated yet | 0

Researchers from the Kavli Institute of NanoScience in Delft are the first to have successfully captured a single electron in a highly tunable carbon nanotube double quantum dot. This was made possible by a new approach for ...

Spiral swimmers may prove micro workhorses (w/Video)

Nanotechnology / Nanophysics

May 11, 2009 | 4.8 / 5 (9) | 0

(PhysOrg.com) -- Harvard researchers have created a new type of microscopic swimmer: a magnetized spiral that corkscrews through liquids and is able to deliver chemicals and push loads larger than itself.

New nanocrystals show potential for cheap lasers, new lighting

Nanotechnology / Nanophysics

May 10, 2009 | 4.8 / 5 (27) | 4

For more than a decade, scientists have been frustrated in their attempts to create continuously emitting light sources from individual molecules because of an optical quirk called "blinking," but now scientists ...