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Nanotechnology / Physics news 1234

Engineers show nanotube circuits can be made en masse

July 04, 2008 | User rating: 4.7 / 5 after 31 vote(s) | User comments: 1

Most innovations don't go far unless there is a way to turn them into products that are manufacturable on a mass scale. That's why new research on carbon nanotubes, presented June 19 by a group of Stanford electrical engineers, ...


Carbon Nanotube Windmills Powered by 'Electron Wind'

July 08, 2008 | User rating: 4.7 / 5 after 63 vote(s) | User comments: 13

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


'Nanonet' circuits closer to making flexible electronics reality

July 23, 2008 | User rating: 4.7 / 5 after 23 vote(s) | User comments: 3

Researchers have overcome a major obstacle in producing transistors from networks of carbon nanotubes, a technology that could make it possible to print circuits on plastic sheets for applications including ...


Study reveals principles behind stability and electronic properties of gold nanoclusters

July 14, 2008 | User rating: 4.7 / 5 after 12 vote(s) | User comments: 3

A report published in the July 8 issue of the journal Proceedings of the National Academy of Sciences (PNAS) is the first to describe the principles behind the stability and electronic properties ...


Nano-sized electronic circuit promises bright view of early universe

July 10, 2008 | User rating: 4.6 / 5 after 20 vote(s) | User comments: 3

A newly developed nano-sized electronic device is an important step toward helping astronomers see invisible light dating from the creation of the universe. This invisible light makes up 98% of the light emitted ...


Researchers report finer lines for microchips: Advance could lead to next-generation computer chips, solar cells

July 08, 2008 | User rating: 4.5 / 5 after 46 vote(s) | User comments: 4

MIT researchers have achieved a significant advance in nanoscale lithographic technology, used in the manufacture of computer chips and other electronic devices, to make finer patterns of lines over larger ...


Swiss nano-microscope delivers first images recorded on Mars

July 11, 2008 | User rating: 4.5 / 5 after 15 vote(s) | No comments yet

(PhysOrg.com) -- For the first time ever, nanostructures have been measured on another planet. On July 9, the NASA "Phoenix" Mars Probe recorded images with nanometer resolution (one nanometer roughly corresponds ...


Visualizing atomic-scale acoustic wavesin nanostructures

July 03, 2008 | User rating: 4.4 / 5 after 12 vote(s) | No comments yet

Acoustic waves play many everyday roles - from communication between people to ultrasound imaging. Now the highest frequency acoustic waves in materials, with nearly atomic-scale wavelengths, promise to be ...


New Nanowire-Based Memory Could Beef Up Information Storage

July 02, 2008 | User rating: 4.3 / 5 after 54 vote(s) | User comments: 5

Researchers from the University of Pennsylvania have created a type of nanowire-based information storage device that is capable of storing three bit values rather than the usual two—that is, "0," "1," and ...


New paper offers insights into 'blinking' phenomena

July 01, 2008 | User rating: 4.3 / 5 after 24 vote(s) | No comments yet

A new paper by a team of researchers led by University of Notre Dame physicist Bolizsár Jankó provides an overview of research into one of the few remaining unsolved problems of quantum mechanics.


Hydrogen generation without the carbon footprint

July 15, 2008 | User rating: 4.1 / 5 after 31 vote(s) | No comments yet

A greener, less expensive method to produce hydrogen for fuel may eventually be possible with the help of water, solar energy and nanotube diodes that use the entire spectrum of the sun's energy, according to Penn State researchers. ...


Controlling the Size of Nanoclusters: First Step in Making New Catalysts

July 09, 2008 | User rating: 4.1 / 5 after 13 vote(s) | User comments: 2

Researchers from the U.S. Department of Energy's Brookhaven National Laboratory and Stony Brook University have developed a new instrument that allows them to control the size of nanoclusters — groups of 10 ...


Physicists Produce Quantum-Entangled Images

June 25, 2008 | User rating: 4.1 / 5 after 32 vote(s) | User comments: 6

Using a convenient and flexible method for creating twin light beams, researchers from the National Institute of Standards and Technology (NIST) and the University of Maryland (UM) have produced “quantum images,” ...


New nano technique significantly boosts boiling efficiency

June 26, 2008 | User rating: 4 / 5 after 45 vote(s) | User comments: 4

Whoever penned the old adage "a watched pot never boils" surely never tried to heat up water in a pot lined with copper nanorods.


‘Electron Trapping’ May Impact Future Microelectronics Measurements

June 26, 2008 | User rating: 4 / 5 after 6 vote(s) | User comments: 1

Using an ultra-fast method of measuring how a transistor switches from the “off” to the “on” state, researchers at the National Institute of Standards and Technology (NIST) recently reported that they have uncovered an unusual ...


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