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New efficiency record for solar cells

May 14, 2008 | User rating: 4.7 / 5 after 39 vote(s) | pda version

Physicist Bram Hoex and colleagues at Eindhoven University of Technology, together with the Fraunhofer Institute in Germany, have improved the efficiency of an important type of solar cell from 21.9 to 23.2 percent (a relative ...


Spin Control: New Technique Sorts Nanotubes by Length

May 14, 2008 | User rating: 4.7 / 5 after 10 vote(s) | pda version

Researchers at the National Institute of Standards and Technology (NIST) have reported a new technique to sort batches of carbon nanotubes by length using high-speed centrifuges. Many potential applications ...


Research shines spotlight on a key player in the dance of chromosomes

May 13, 2008 | User rating: 4.3 / 5 after 4 vote(s) | pda version

Cell division is essential to life, but the mechanism by which emerging daughter cells organize and divvy up their genetic endowments is little understood. In a new study, researchers at the University of Illinois and Columbia ...


Possible Mechanism for Enormous Electromechanical Response

May 12, 2008 | User rating: 4.6 / 5 after 34 vote(s) | pda version

Scientists at the U.S. Department of Energy's Brookhaven National Laboratory and collaborators at Stony Brook University, Johns Hopkins University, and the National Institute of Standards and Technology have ...


Researchers target tumors with tiny 'nanoworms'

May 07, 2008 | User rating: 4.6 / 5 after 33 vote(s) | pda version

Scientists at UC San Diego, UC Santa Barbara and MIT have developed nanometer-sized “nanoworms” that can cruise through the bloodstream without significant interference from the body’s immune defense system ...


Melting defects could lead to smaller, more powerful microchips

May 04, 2008 | User rating: 4.7 / 5 after 27 vote(s) | pda version

As microchips shrink, even tiny defects in the lines, dots and other shapes etched on them become major barriers to performance. Princeton engineers have now found a way to literally melt away such defects, ...


Sandia researcher examines the physics of carbon nanotubes

May 01, 2008 | User rating: 4.1 / 5 after 8 vote(s) | pda version

Carbon nanotubes, described as the reigning celebrity of the advanced materials world, are all the rage. Recently researchers at Rice University and Rensselaer Polytechnic Institute used them to make the “blackest ...


Atomic force microscopy reveals liquids adjust viscosity when confined, shaken

Apr 30, 2008 | User rating: 4.1 / 5 after 9 vote(s) | pda version

Getting ketchup out of the bottle isn’t always easy. However, shaking the bottle before trying to pour allows the thick, gooey ketchup to flow more freely because it becomes more fluid when agitated. The opposite ...


Making a good impression: Nanoimprint lithography tests at NIST

Apr 29, 2008 | User rating: 3.9 / 5 after 8 vote(s) | pda version

In what should be good news for integrated circuit manufacturers, recent studies by the National Institute of Standards and Technology have helped resolve two important questions about an emerging microcircuit ...


Laser experiments offer insight into evolution of 'gas giants'

Apr 28, 2008 | User rating: 4.5 / 5 after 11 vote(s) | pda version

By shooting the high-energy Omega laser onto precompressed samples of planetary fluids, scientists are gaining a better understanding of the evolution and internal structure of Jupiter, Saturn and extrasolar ...


'Sticky nanotubes' hold key to future technologies

Apr 28, 2008 | User rating: 4.2 / 5 after 15 vote(s) | pda version

Researchers at Purdue University are the first to precisely measure the forces required to peel tiny nanotubes off of other materials, opening up the possibility of creating standards for nano-manufacturing ...


On the Energy Trail: Researchers Find New Details Following the Path of Solar Energy During Photosynthesis

Apr 25, 2008 | User rating: 4.6 / 5 after 39 vote(s) | pda version

Imagine a technology that would not only provide a green and renewable source of electrical energy, but could also help scrub the atmosphere of excessive carbon dioxide resulting from the burning of fossil ...


Creating Faster Integrated Circuits by Slowing Light

Apr 24, 2008 | User rating: 4.1 / 5 after 21 vote(s) | pda version

As the pace of photonic device development quickens, researchers at UC San Diego have shown that actually slowing light can accelerate future development in this promising field.


New OLED encapsulation method reduces water intrusion, increases lifetime

Apr 22, 2008 | User rating: 4.5 / 5 after 21 vote(s) | pda version

Researchers have developed an improved organic light emitting diode (OLED) sealing process to reduce moisture intrusion and improve device lifetime.


Nanotechnology paves way for super iPods

Apr 18, 2008 | User rating: 3.9 / 5 after 50 vote(s) | pda version

A breakthrough by scientists from the University of Glasgow could see the storage capacity of an iPod increase 150,000 times.


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