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News articles about "Dynamics"

Untangling DNA with a droplet of water, a pipet and a polymer

Researchers have long sought an efficient way to untangle DNA in order to study its structure neatly unraveled and straightened out under a microscope Now chemists and engineers at KU Leuven in Belgium have devised ... - Read More

Caging of molecules allows investigation of equilibrium thermodynamics

High performance materials for gas storage thermal insulators or nanomachines need a thorough understanding of the behavior of the material down to the molecular level Thermodynamics which have been developed two hundred years ago to ... - Read More

Quantum many-body systems on the way back to equilibrium

Advances in experimental and theoretical physics enable a deeper understanding of the dynamics and properties of quantum many body systems Considering that one cubic centimetre of matter already contains about 1019 to 1023 particles it ... - Read More

Shape-shifting nanorod ensembles release heat differently

Researchers at the U S Department of Energy's Argonne National Laboratory have revealed previously unobserved behaviors that show how details of the transfer of heat at the nanoscale causes nanoparticles to change shape in ensembles ... - Read More

Carbon release from ocean helped end the Ice Age

A release of carbon dioxide CO2 from the deep ocean helped bring an end to the last Ice Age according to new collaborative research by the University of Southampton Universitat Autònoma de Barcelona UAB the ... - Read More

Bacterial armor holds clues for self-assembling nanostructures

Imagine thousands of copies of a single protein organizing into a coat of chainmail armor that protects the wearer from harsh and ever changing environmental conditions That is the case for many microorganisms In a ... - Read More

Exotic states materialize with supercomputers

Scientists used supercomputers to find a new class of materials that possess an exotic state of matter known as the quantum spin Hall effect The researchers published their results in the journal Science in December ... - Read More

Missing link in metal physics explains Earth's magnetic field

Earth's magnetic field is crucial for our existence as it shields the life on our planet's surface from deadly cosmic rays It is generated by turbulent motions of liquid iron in Earth's core Iron is ... - Read More

New mechanism unlocked for evolution of green fluorescent protein

A primary challenge in the biosciences is to understand the way major evolutionary changes in nature are accomplished Sometimes the route turns out to be very simple An example of such simplicity is provided in ... - Read More

Ocean could hold key to predicting recurring extreme winters

Research at the National Oceanography Centre NOC may help to predict extreme winters across Europe by identifying the set of environmental conditions that are associated with pairs of severe winters across consecutive years Pairs of ... - Read More

Shining a light on quantum dots measurement

Due to their nanoscale dimensions and sensitivity to light quantum dots are being used for a number of bioimaging applications including in vivo imaging of tumor cells detection of biomolecules and measurement of pH changes ... - Read More

New high-speed 3-D microscope -- SCAPE -- gives deeper view of living things

Opening new doors for biomedical and neuroscience research Elizabeth Hillman associate professor of biomedical engineering at Columbia Engineering and of radiology at Columbia University Medical Center CUMC has developed a new microscope that can image ... - Read More

NASA, NOAA find 2014 warmest year in modern record

The year 2014 ranks as Earth's warmest since 1880 according to two separate analyses by NASA and National Oceanic and Atmospheric Administration NOAA scientists The 10 warmest years in the instrumental record with the exception ... - Read More

Solving an organic semiconductor mystery

Organic semiconductors are prized for light emitting diodes LEDs field effect transistors FETs and photovoltaic cells As they can be printed from solution they provide a highly scalable cost effective alternative to silicon based devices ... - Read More

Race of the electrons: Laser pulses can be used to track the motion of electrons in metals with attosecond precision

It is easy to measure electric current But it is extremely hard to watch the individual electrons which make up this current Electrons race through the metal with a speed of several million meters per ... - Read More

Water, water, everywhere: Controlling the properties of nanomaterials

Scientists at the US Department of Energy's Oak Ridge National Laboratory are learning how the properties of water molecules on the surface of metal oxides can be used to better control these minerals and use ... - Read More

Water, Water, Everywhere -- Controlling the Properties of Nanomaterials

Wendy Hames and Katie Bethea Published Work H W Wang M DelloStritto N Kumar A I Kolesnikov P R C Kent J D Kubicki D J Wesolowski and J O Sofo “Vibrational density of states ... - Read More

Magic numbers of quantum matter revealed by cold atoms

Topology a branch of mathematics classifying geometric objects has been exploited by physicists to predict and describe unusual quantum phases the topological states of matter These intriguing phases generally accessible at very low temperature exhibit ... - Read More

Neutrinos can deliver not only full-on hits but also 'glancing blows'

In what they call a weird little corner of the already weird world of neutrinos physicists have found evidence that these tiny particles might be involved in a surprising reaction Neutrinos are famous for almost ... - Read More

Dirty pool: Soil's large carbon stores could be freed by increased CO2, plant growth

An increase in human made carbon dioxide in the atmosphere could initiate a chain reaction between plants and microorganisms that would unsettle one of the largest carbon reservoirs on the planet soil Researchers based at ... - Read More
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