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New technique measures ultrashort laser pulses at focus

May 08, 2008 | User rating: 4.4 / 5 after 12 vote(s) | pda version

Lasers that emit ultrashort pulses of light are used for numerous applications including micromachining, microscopy, laser eye surgery, spectroscopy and controlling chemical reactions. But the quality of the ...


Researchers demonstrate for the first time how light squeezes through small holes

May 08, 2008 | User rating: 4.4 / 5 after 41 vote(s) | pda version

How does light pass through a tiny hole" For the first time, Dr Aurele Adam and Prof. Paul Planken of Delft University of Technology, in conjunction with two South Korean and one German research groups, have succeeded in ...


Is quantum Internet search on the way?

May 06, 2008 | User rating: 3.7 / 5 after 34 vote(s) | pda version

In classical computing, random access memory (RAM) is needed to make things “work.” But it is subject to a certain level of energy loss. But what if you could create low-energy quantum access memory (QRAM) that would not ...


Qwest drops Sprint in favor of Verizon Wireless

May 06, 2008 | User rating: 3 / 5 after 4 vote(s) | pda version

(AP) -- Qwest Communications International Inc. will stop reselling Sprint Nextel Corp.'s wireless service and move its subscribers to Verizon Wireless' network, Qwest said Monday.


Record-setting Laser May Aid Searches for Earthlike Planets

May 05, 2008 | User rating: 4.6 / 5 after 44 vote(s) | pda version

Scientists at the University of Konstanz in Germany and the National Institute of Standards and Technology (NIST) have demonstrated an ultrafast laser that offers a record combination of high speed, short ...


Physics Advance Leads to a Better Understanding of Optics at the Atomic Scale

Apr 28, 2008 | User rating: 3.3 / 5 after 7 vote(s) | pda version

An advance by North Carolina State University physicists improves our understanding of how light interacts with matter, and could make possible the development of new integrated-circuit technologies that result in faster ...


Beating the codebreakers with quantum cryptography

Apr 28, 2008 | User rating: 4.4 / 5 after 22 vote(s) | pda version

Quantum cryptography may be essentially solved, but getting the funky physics to work on disciplined computer networks is a whole new headache.


Minimally invasive pancreas surgery leads to fewer complications, study finds

Apr 25, 2008 | User rating: 5 / 5 after 1 vote(s) | pda version

When surgeons need to remove part of the pancreas, performing the operation with minimally invasive techniques offers patients a shorter hospital stay and fewer complications, researchers have concluded.


Giant laser system is under construction

Apr 24, 2008 | User rating: 4.3 / 5 after 20 vote(s) | pda version

The world's largest laser system -- the National Ignition Facility -- is being built in California and officials say it will go online next year.


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.


European light research opens door for optical storage and computing

Apr 24, 2008 | User rating: 3.7 / 5 after 7 vote(s) | pda version

The goal of replacing electronics with optics for processing data in computers is coming closer through cutting edge European research into the mysterious properties of “fast and slow” light. The long term aim is to boost ...


Secure Communication via Space

Apr 22, 2008 | User rating: 4.1 / 5 after 13 vote(s) | pda version

The exchange of information between distant sources is the basis of all communications, but quantum mechanics may open up this distant exchange as never before.


Photoluminescence in nano-needles

Apr 22, 2008 | User rating: 4.5 / 5 after 11 vote(s) | pda version

Silicon is the workhorse among semiconductors in electronics. But in opto-electronics, where light signals are processed along with electronic signals, a semiconductor that is capable of emitting light is needed, which silicon ...


Findings a step toward making new optical materials

Apr 22, 2008 | User rating: 4.3 / 5 after 10 vote(s) | pda version

Chemical engineers have developed a "self-assembling" method that could lead to an inexpensive way of making diamondlike crystals to improve optical communications and other technologies.


Researchers Make Breakthrough in Nanotechnology by Uncovering Conductive Property of Carbon-based Molecules

Apr 17, 2008 | User rating: 4.5 / 5 after 33 vote(s) | pda version

University of Pittsburgh researchers have discovered that certain organic—or carbon-based—molecules exhibit the properties of atoms under certain circumstances and, in turn, conduct electricity as well as metal. Detailed ...


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