News tagged with complex
143 is largest number yet to be factored by a quantum algorithm
(Phys.org) -- While factoring an integer is a simple problem when the integer is small, the complexity of factorization greatly increases as the integer increases. When the integer grows to more than 100,000 ...
Apr 11, 2012 |
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Where no lab has gone before: Single-Molecule Electrokinetic Traps
(PhysOrg.com) -- To study the behavior of large protein complexes and long DNA chains in solution, researchers use so-called molecular traps. However, earlier traps have proven ineffective when working with s ...
May 25, 2011 |
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Organic compounds found in proto-planetary disks
(PhysOrg.com) -- A new study from scientists in the US has reported that organic compounds could be formed in proto-planetary disks, and could have seeded the development of life in our own and other planetary ...
Mar 30, 2012 |
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Astrobiologists discover 'sweet spots' for the formation of complex organic molecules in the galaxy
(PhysOrg.com) -- Scientists within the New York Center for Astrobiology at Rensselaer Polytechnic Institute have compiled years of research to help locate areas in outer space that have extreme potential for ...
Nov 02, 2011 |
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Pee power: Urine-loving bug churns out space fuel
Scientists on Sunday said they had gained insights into a remarkable bacterium that lives without oxygen and transforms ammonium, the ingredient of urine, into hydrazine, a rocket fuel.
Oct 02, 2011 |
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Novel alloy could produce hydrogen fuel from sunlight
Scientists from the University of Kentucky and the University of Louisville have determined that an inexpensive semiconductor material can be "tweaked" to generate hydrogen from water using sunlight.
Aug 30, 2011 |
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Unique volcanic complex discovered on Moon's far side
(PhysOrg.com) -- Analysis of new images of a curious “hot spot” on the far side of the Moon reveal it to be a small volcanic province created by the upwelling of silicic magma. The unusual location ...
Space & Earth / Space Exploration
Jul 25, 2011 |
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New way of synthesizing organic chemicals mimics nature
Organic chemists have found a new way of synthesizing multiple complex organic molecules that until now have needed to be synthesized using time-consuming methods. The new strategy, which mimics natural biosynthesis methods, ...
Jul 15, 2011 |
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Supramolecules get time to shine
(PhysOrg.com) -- What looks like a spongy ball wrapped in strands of yarn -- but a lot smaller -- could be key to unlocking better methods for catalysis, artificial photosynthesis or splitting water into hydrogen, ...
Nanotechnology / Nanomaterials
Jul 12, 2011 |
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Novel nanoparticles communicate to target tumors more efficiently
(PhysOrg.com) -- For decades, researchers have been working to develop nanoparticles that deliver cancer drugs directly to tumors, minimizing the toxic side effects of chemotherapy. However, even with the ...
Nanotechnology / Bio & Medicine
Jun 19, 2011 |
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Memristors: 'Computer synapse' analyzed at the nanoscale
(PhysOrg.com) -- Researchers at Hewlett Packard and the University of California, Santa Barbara, have analysed in unprecedented detail the physical and chemical properties of an electronic device that computer ...
May 16, 2011 |
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How to control complex networks
At first glance, a diagram of the complex network of genes that regulate cellular metabolism might seem hopelessly complex, and efforts to control such a system futile.
Technology / Computer Sciences
May 12, 2011 |
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More-efficient computation: Finding local solutions to overwhelmingly complex problems
At a time when the Internet puts an untold amount of information at anyone’s fingertips, and automated scientific experiments churn out data faster than researchers can keep up with it, and communications ...
Technology / Computer Sciences
Mar 31, 2011 |
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Building biological computers
New research shows that genetically modified cells can be made to communicate with each other as if they were electronic circuits. The study is a groundbreaking step toward building complex systems where the ...
Mar 07, 2011 |
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Words help people form mathematical concepts (w/ Video)
(PhysOrg.com) -- Language may play an important role in learning the meanings of numbers, scholars at the University of Chicago report.
Medicine & Health / Psychology & Psychiatry
Feb 07, 2011 |
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