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Researchers invent new method for graphene growth

Researchers invent new method for graphene growth

Nanotechnology / Nanomaterials

created Nov 10, 2009 | popularity 4.9 / 5 (19) | comments 0

(PhysOrg.com) -- A Cornell research team has invented a simple way to make graphene electrical devices by growing the graphene directly onto a silicon wafer.


H1N1 Virus Can Be Killed by Acidic Ozone Water

H1N1 Virus Can Be Killed by Acidic Ozone Water

Chemistry / Biochemistry

created Nov 09, 2009 | popularity 4.8 / 5 (25) | comments 10

(PhysOrg.com) -- Scientists have found that acidic ozone water can deactivate H1N1 viruses very effectively, offering a promising disinfectant for the millions of people trying to avoid the disease. Acidic ...


Tiny Music Player Made from Wire Bridge

Tiny Music Player Made from Wire Bridge (w/ Video)

Physics / General Physics

created Nov 04, 2009 | popularity 4.3 / 5 (15) | comments 1

(PhysOrg.com) -- In 2008, scientists built a loudspeaker made of carbon nanotubes that produced sound and music based on the thermoacoustic effect. Now, a different team of scientists has built a loudspeaker ...


Harvesting Energy from Natural Motion: Magnets, Cantilever Capture Wide Range of Frequencies

Harvesting Energy from Natural Motion: Magnets, Cantilever Capture Wide Range of Frequencies

Physics / General Physics

created Oct 28, 2009 | popularity 4.1 / 5 (11) | comments 4

(PhysOrg.com) -- By taking advantage of the vagaries of the natural world, Duke University engineers have developed a novel approach that they believe can more efficiently harvest electricity from the motions ...


Caltech scientists solve decade-long mystery of nanopillar formations

Scientists solve decade-long mystery of nanopillar formations

Nanotechnology / Nanophysics

created Oct 22, 2009 | popularity 5 / 5 (22) | comments 2

Scientists at the California Institute of Technology have uncovered the physical mechanism by which arrays of nanoscale pillars can be grown on polymer films with very high precision, in potentially limitless ...


New Twist on Favorite X-ray Technique Promises Ultrafast Molecular Studies

New Twist on Favorite X-ray Technique Promises Ultrafast Molecular Studies

Physics / General Physics

created Oct 12, 2009 | popularity 4 / 5 (5) | comments 1

(PhysOrg.com) -- A team of physicists from the Stanford Synchrotron Radiation Lightsource, including graduate student David Bernstein, have made a promising discovery that a well-known synchrotron technique ...


Researchers create smaller and more efficient nuclear battery

Researchers create smaller and more efficient nuclear battery

Technology / Energy

created Oct 07, 2009 | popularity 4.8 / 5 (27) | comments 14

(PhysOrg.com) -- Batteries can power anything from small sensors to large systems. While scientists are finding ways to make them smaller but even more powerful, problems can arise when these batteries are ...


Breaking Down the Barrier for Smaller, Faster Electronic Devices

Breaking Down the Barrier for Smaller, Faster Electronic Devices

Physics / Condensed Matter

created Oct 05, 2009 | popularity 4.2 / 5 (5) | comments 0

(PhysOrg.com) -- A team of international researchers is the first to uncover the chemical composition and structure of a microelectronics element that is vital to producing ever smaller - and, thus, cheaper ...


Nanotechnology gets a new light touch

Nanotechnology gets a new light touch

Nanotechnology / Nanophysics

created Oct 02, 2009 | popularity 4.9 / 5 (8) | comments 0

(PhysOrg.com) -- Building the super-fast computers of the future has just become much easier thanks to an advance by Australian researchers that lets them grab hold of tiny electronics components and probe ...


Getting to the roots of lethal hairs

Why they grow? Getting to the roots of lethal metal whiskers

Physics / Condensed Matter

created Sep 29, 2009 | popularity 4.6 / 5 (10) | comments 2

(PhysOrg.com) -- A short circuit can be quite hairy: satellites have failed, a NASA computer centre was repeatedly paralysed and the US public heath authority recalled thousands of pacemakers - all because ...


Stretching opens up possibilities for graphene

Stretching opens up possibilities for graphene

Nanotechnology / Nanomaterials

created Sep 28, 2009 | popularity 4.9 / 5 (13) | comments 1

(PhysOrg.com) -- Researchers say they have found a simple way to improve the semiconducting properties of the world’s thinnest material - by giving it a good tug.


Engineers track bacteria's kayak paddle-like motion for first time

Physics / Soft Matter

created Sep 25, 2009 | popularity 3 / 5 (2) | comments 0

Yale engineers have for the first time observed and tracked E. coli bacteria moving in a liquid medium with a motion similar to that of a kayak paddle.


Could a paper transistor offer an alternative to silicon?

Nanotechnology / Nanophysics

created Sep 22, 2009 | popularity 4.5 / 5 (15) | comments 6

(PhysOrg.com) -- As technology advances, scientists look for ways to enhance electronic applications and devices. Indeed, electronics are getting smaller and more diverse. And as this happens, there is an increased requirement ...


Physicist Proposes Solution to Arrow-of-Time Paradox

Physicist Proposes Solution to Arrow-of-Time Paradox

Physics / General Physics

created Aug 27, 2009 | popularity 4.2 / 5 (73) | comments 108

(PhysOrg.com) -- Entropy can decrease, according to a new proposal - but the process would destroy any evidence of its existence, and erase any memory an observer might have of it. It sounds like the plot ...


LEGO toy helps researchers learn what happens on nanoscale

LEGO toy helps researchers learn what happens on nanoscale

Nanotechnology / Nanophysics

created Aug 25, 2009 | popularity 4.2 / 5 (10) | comments 0

Johns Hopkins engineers are using a popular children's toy to visualize the behavior of particles, cells and molecules in environments too small to see with the naked eye. These researchers are arranging little ...