News tagged with proofs
Mathematicians Solve 140-Year-Old Boltzmann Equation
(PhysOrg.com) -- Two University of Pennsylvania mathematicians have found solutions to a 140-year-old, 7-dimensional equation that were not known to exist for more than a century despite its widespread use in modeling the ...
May 13, 2010 |
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Microscopy reveals 'atomic antenna' behavior in graphene
Atomic-level defects in graphene could be a path forward to smaller and faster electronic devices, according to a study led by researchers at the Department of Energy's Oak Ridge National Laboratory.
Nanotechnology / Nanomaterials
Jan 31, 2012 |
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'Trojan Horse' particle sneaks chemotherapy in to kill ovarian cancer cells
A common chemotherapy drug has been successfully delivered to cancer cells inside tiny microparticles using a method inspired by our knowledge of how the human immune system works. The drug, delivered in this way, reduced ...
Sep 12, 2011 |
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Using graphene, scientists develop a less toxic way to rust-proof steel
(Phys.org) -- University at Buffalo researchers are making significant progress on rust-proofing steel using a graphene-based composite that could serve as a nontoxic alternative to coatings that contain hexavalent ...
Nanotechnology / Nanomaterials
May 18, 2012 |
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Electrical conductor sparks interest
Chemists at Harvard and three other institutions have created a purified version of an organic semiconductor with electrical properties that put it among a small handful of organic compounds and that provides ...
Aug 17, 2011 |
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Biochip measures glucose in saliva, not blood
For the 26 million Americans with diabetes, drawing blood is the most prevalent way to check glucose levels. It is invasive and at least minimally painful. Researchers at Brown University are working on a ...
Jan 23, 2012 |
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A zap of cold plasma reduces harmful bacteria on raw chicken
A new study by food safety researchers at Drexel University demonstrates that plasma can be an effective method for killing pathogens on uncooked poultry. The proof-of-concept study was published in the January issue of the ...
Feb 02, 2012 |
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Random Antenna Arrays Boost Emergency Communications
(PhysOrg.com) -- First responders could boost their radio communications quickly at a disaster site by setting out just four extra transmitters in a random arrangement to significantly increase the signal power at the receiver, ...
Feb 25, 2009 |
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How to win by concession and avoid unproductive conflict
A new study published in Economic Inquiry explores the seminal question: "If we can make a deal, why fight?" The authors conclude that a combination of common knowledge and a common rate of time preference allow a potent ...
Other Sciences / Social Sciences
Oct 13, 2009 |
3.7 / 5 (3) |
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New Book Uses Physical Reasoning to Solve Mathematical Problems
Mark Levi, professor of mathematics at Penn State, has authored a book titled "The Mathematical Mechanic: Using Physical Reasoning to Solve Problems," soon to be published by Princeton University Press. The book, which is ...
Apr 22, 2009 |
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New device uses gold nanoparticles to test for lung cancer
The metabolism of lung cancer patients is different than the metabolism of healthy people. And so the molecules that make up cancer patients' exhaled breath are different too. A new device pioneered at the University of Colorado ...
Nanotechnology / Bio & Medicine
Nov 17, 2011 |
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Influencing stem cell fate: New screening method helps scientists identify key information rapidly
Northwestern University scientists have developed a powerful analytical method that they have used to direct stem cell differentiation. Out of millions of possibilities, they rapidly identified the chemical and physical structures ...
Mar 06, 2012 |
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Why rumors spread fast in social networks
Information spreads fast in social networks. This could be observed during recent events. Now computer scientists from the German Saarland University provide the mathematical proof for this and come up with a surprising explanation.
May 21, 2012 |
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Study of biomarker development in mice provides a roadmap for a similar approach in humans
Researchers at Fred Hutchinson Cancer Research Center have demonstrated in mice that the performance of a novel biomarker-development pipeline using targeted mass spectrometry is robust enough to support the use of an analogous ...
Jun 19, 2011 |
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