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To peer inside a living cell

To peer inside a living cell

Physics / General Physics

created Oct 06, 2009 | popularity 5 / 5 (11) | comments 3

(PhysOrg.com) -- Quantum mechanics could help build ultra-high-resolution electron microscopes that won't destroy living cells, according to MIT electrical engineers.


The Spin Cycle: Nanoresearch could lead to next generation of transistors

The Spin Cycle: Nanoresearch could lead to next generation of transistors

Nanotechnology / Nanophysics

created Oct 20, 2009 | popularity 4.9 / 5 (11) | comments 0

(PhysOrg.com) -- For decades, the transistors inside radios, televisions and other everyday items have transmitted data by controlling the movement of the electron’s charge. Scientists now have discovered ...


Electron self-injection into an evolving plasma bubble

Electron self-injection into an evolving plasma bubble

Physics / Plasma Physics

created Nov 02, 2009 | popularity 4.8 / 5 (4) | comments 1

Particle accelerators are among the largest and most expensive scientific instruments. Thirty years ago, theorists John Dawson and Toshiki Tajima proposed an idea for making them thousands of times smaller: ...


Strain on nanocrystals could yield colossal results

Putting a Strain on Nanowires Could Yield Colossal Results

Nanotechnology / Nanophysics

created Sep 17, 2009 | popularity 4.5 / 5 (2) | comments 0

(PhysOrg.com) -- In finally answering an elusive scientific question, researchers with the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have shown that the selective placement ...


Tapering a Free-Electron Laser to Extract More Juice

Tapering a Free-Electron Laser to Extract More Juice

Physics / General Physics

created Nov 20, 2009 | popularity 4 / 5 (1) | comments 0

(PhysOrg.com) -- Researchers from the NSLS and Science Applications International Corporation (SAIC) have demonstrated a technique that could be used to significantly improve the quantity and quality of light ...


Proposed Quantum Computer Consists of Billions of Electron Spins

Proposed Quantum Computer Consists of Billions of Electron Spins

Physics / Quantum Physics

created Sep 09, 2009 | popularity 4.5 / 5 (26) | comments 23

(PhysOrg.com) -- While researchers have already demonstrated the building blocks for few-bit quantum computers, scaling these systems up to large quantum computers remains a challenge. One of the biggest problems ...


Measuring Electron Orbitals

Measuring Electron Orbitals

Physics / General Physics

created Nov 16, 2009 | popularity 5 / 5 (8) | comments 0

(PhysOrg.com) -- For the first time, it has been possible to measure electron density in individual molecular states using what is known as the photoelectric effect. Now published in Science, this method repres ...


Mimicking nature, scientists can now extend redox potentials

Mimicking nature, scientists can now extend redox potentials

Chemistry / Biochemistry

created Nov 04, 2009 | popularity 4.8 / 5 (5) | comments 0

(PhysOrg.com) -- New insight into how nature handles some fundamental processes is guiding researchers in the design of tailor-made proteins for applications such as artificial photosynthetic centers, long-range ...


Scientists cool gas by laser bombardment

Physics / General Physics

created Sep 02, 2009 | popularity 5 / 5 (5) | comments 6

Three decades ago, American and Finnish scientists came up with a very powerful method for cooling gases by "laser bombardment." Only now were physicists at the University of Bonn able to demonstrate that it actually works. ...


New laser technique may help find supernova

Physics / General Physics

created Aug 11, 2009 | popularity 4.3 / 5 (3) | comments 0

One single atom of a certain isotope of hafnium found on Earth would prove that a supernova once exploded near our solar system. The problem is how to find such an atom - among billions of others. Researchers at the University ...


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 ...


Scientists increase imaging efficiency in cell structure studies

Biology / Other

created Sep 03, 2009 | popularity not rated yet | comments 0

Scientists in the National Institute of Biomedical Imaging and Bioengineering (NIBIB) Laboratory of Bioengineering and Physical Science have developed a new technique that allows researchers to visualize fine details of cell ...


AFOSR funds super-fast, secure computing

Michigan scientists working on super-fast, secure computing

Physics / Quantum Physics

created Sep 09, 2009 | popularity 4 / 5 (2) | comments 0

Air Force Office of Scientific Research(AFOSR)-supported physicists at the University of Michigan are developing innovative components for quantum, or super-fast, computers that will improve security for data ...


Discovery about behavior of building block of nature could lead to computer revolution

Physics / General Physics

created Jul 30, 2009 | popularity 4.7 / 5 (39) | comments 7

(PhysOrg.com) -- A team of physicists from the Universities of Cambridge and Birmingham have shown that electrons in narrow wires can divide into two new particles called spinons and a holons.


'Nano violin string'

'Nano violin string' made of vibrating carbon nanotube (w/ Video)

Nanotechnology / Nanophysics

created Jul 24, 2009 | popularity 4.3 / 5 (6) | comments 3

Researchers at TU Delft, The Netherlands, have succeeded in measuring the influence of a single electron on a vibrating carbon nanotube. This research can be important for work such as the development of ultra-small ...