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News articles about "theoretical"

Nanoscale friction: High energy losses in the vicinity of charge density waves

Friction, Density
In collaboration with the University of Basel an international team of researchers has observed a strong energy loss caused by frictional effects in the vicinity of charge density waves This may have practical significance in ... - Read More

Revolutionary method for gluing gels and biological tissues

Gels, biological
Researchers have discovered an efficient and easy to use method for bonding together gels and biological tissues A team headed by Ludwik Leibler involving researchers from the Laboratoire Matière Molle et Chimie CNRS ESPCI ParisTech ... - Read More

Smashing science: Scientists discover how explosives respond to shockwaves

Science, Science
Lawrence Livermore National Laboratory researchers have combined ultrafast time resolved experimental measurements with theory to reveal how an explosive responds to a high impact shock The work involved advances in both ultrafast experimental shock wave ... - Read More

Revolutionizing solar energy: Quantum waves found at the heart of organic solar cells

Solar energy
Researchers have been able to tune ‘coherence’ in organic nanostructures due to the surprise discovery of wavelike electrons in organic materials revealing the key to generating “long lived charges” in organic solar cells material that ... - Read More

Programming smart molecules: Machine-learning algorithms could make chemical reactions intelligent

Computer scientists at the Harvard School of Engineering and Applied Sciences SEAS and the Wyss Institute for Biologically Inspired Engineering at Harvard University have joined forces to put powerful probabilistic reasoning algorithms in the hands ... - Read More

Polymers can behave like insulators, semiconductors and metals -- as well as semimetals

Metals
Polymers can behave like insulators semiconductors and metals as well as semimetals Twenty researchers under the leadership of Xavier Crispin Docent in organic electronics at Linköping University are behind the breakthrough published in Nature Materials ... - Read More

Three-dimensional view helps laser in building new molecules

Building, molecules
Scientists have developed a new feedback method for optimizing the laser pulse shapes used in the control of chemical reactions In many ways traditional chemical synthesis is similar to cooking To alter the final product ... - Read More

Amoeboid swimming: Crawling in a fluid

Fluid
Researchers from CNRS Inserm and Université Joseph Fourier Grenoble have developed a particularly simple model that reproduces the swimming mechanism of amoebas They show that by changing shape these single cell organisms propel themselves forward ... - Read More

New thermoelectronic generator: Heat energy efficiently converted to electricity

Heat
Through a process known as thermionic conversion heat energy such as light from the sun or heat from burned fossil fuels can be converted into electricity with very high efficiency Because of its promise researchers ... - Read More

Mystery of neutron stars heats up: Previously unknown layers where rapid neutrino cooling occurs

Until now scientists were pretty sure they knew how the surface of a neutron star a super dense star that forms when a large star explodes and its core collapses into itself can heat itself ... - Read More

Snapshots differentiate molecules from their mirror image

molecules, molecules
Small difference large effect Most biological molecules occur in two variants an original and its mirror image As a result they are related to one another like the left hand to the right For instance ... - Read More

Carbon capture and storage: An inside look at a metal-organic framework (MOF) in action

Carbon, carbon
A unique inside look at the electronic structure of a highly touted metal organic framework MOF as it is adsorbing carbon dioxide gas should help in the design of new and improved MOFs for carbon ... - Read More

Step closer to composite-based electronics

A new study demonstrates that electrical resistivity obeys a staircase like dependence on the conducting particle concentration in composite materials Composite materials are of increasing interest to physicists Typically they are made of electrically conducting ... - Read More

Steering electrons along chemical bonds

Chemical bonds, Chemical bonds
Electron motions induced by a strong electric field are mapped in space and time with the help of femtosecond x ray pulses An x ray movie of the crystal lithium hydride shows that the electric ... - Read More

What water looks like to DNA

Water, Water, Water
A team of biochemists and mathematicians have developed a sophisticated geometric model to predict how a biological molecule will interact with water molecules computing the results up to 20 times faster than other existing approaches ... - Read More

Optimizing electronic correlations for superconductivity

The decadeslong effort to create practical superconductors moved a step forward with the discovery at Rice University that two distinctly different iron based compounds share common mechanisms for moving electrons Samples from two classes of ... - Read More

Spintronics: Nano magnets arise at 2-D boundaries

Magnets, Nano
When you squeeze atoms you don't get atom juice You get magnets According to a new theory by Rice University scientists imperfections in certain two dimensional materials create the conditions by which nanoscale magnetic fields ... - Read More

Single-atom bit forms smallest memory in the world

Atom, Atom, Atom
One atom equals one bit According to this design principle we would like to construct magnetic data memories in the future Presently a compound of several million atoms is needed to stabilize a magnetic bit ... - Read More

Improving detection of radioactive material in nuclear waste water

As the Fukushima crisis continues to remind the world of the potential dangers of nuclear disposal and unforeseen accidents scientists are reporting progress toward a new way to detect the radioactive materials uranium and plutonium ... - Read More

New paradigm for solar cell construction demonstrated

cell, cell
For solar panels wringing every drop of energy from as many photons as possible is imperative This goal has sent chemistry materials science and electronic engineering researchers on a quest to boost the energy absorption ... - Read More
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