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News tagged with dynamic

Amazing skin gives sharks a push

Shark skin has long been known to improve the fish's swimming performance by reducing drag, but now George Lauder and Johannes Oeffner from Harvard University show that in addition, the skin generates thrust, ...

Biology / Plants & Animals

created Feb 09, 2012 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Innovation promises expanded roles for microsensors

Researchers have learned how to improve the performance of sensors that use tiny vibrating microcantilevers to detect chemical and biological agents for applications from national security to food processing.

Technology / Engineering

created Feb 07, 2012 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

Neanderthal demise due to many influences, including cultural changes: study

As an ice age crept upon them thousands of years ago, Neanderthals and modern human ancestors expanded their territory ranges across Asia and Europe to adapt to the changing environment.

Other Sciences / Archaeology & Fossils

created Feb 07, 2012 | popularity 4.4 / 5 (5) | comments 8 | with audio podcast

Nanorod-assembled order affects diffusion rate and direction

Some of the recent advancements in nanotechnology depend critically on how nanoparticles move and diffuse on a surface or in a fluid under non-ideal to extreme conditions. Georgia Tech has a team of researchers ...

Nanotechnology / Bio & Medicine

created Feb 06, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Rearranging the cell's skeleton: Small molecules at the cell's membrane enable cell movement

Cell biologists at Johns Hopkins have identified key steps in how certain molecules alter a cell's skeletal shape and drive the cell's movement.

Biology / Cell & Microbiology

created Feb 02, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Want to understand the fluid dynamics of the oceans and atmosphere? UCLA's got the video

(PhysOrg.com) -- Oceans and clouds, even the atmosphere itself, are in constant motion and can undergo dramatic fluctuations, like hurricanes, that lead to severe consequences. If you've ever ...

Physics / General Physics

created Feb 02, 2012 | popularity 5 / 5 (1) | comments 2

S. Korea's Hynix swings to red in Q4 on poor demand

South Korea's Hynix Semiconductor, the world's second-largest maker of memory chips, said Thursday it swung into the red in the fourth quarter as chip prices fell on weak demand for personal computers.

Technology / Business

created Feb 02, 2012 | popularity not rated yet | comments 0

Stock market network reveals investor clustering

(PhysOrg.com) -- The stock price of a company continuously changes, going up or down depending on the collective activity of a large number of investors. Although this process seems fairly straightforward, ...

Physics / General Physics

created Jan 27, 2012 | popularity 3.9 / 5 (23) | comments 8 | with audio podcast feature

Elpida Memory develops resistance RAM prototype

Elpida Memory, the world's third largest Dynamic Random Access Memory ("DRAM") manufacturer, today announced the development of its first-ever high-speed non-volatile resistance memory (ReRAM) prototype. As the ReRAM prototype ...

Technology / Semiconductors

created Jan 24, 2012 | popularity 3.7 / 5 (3) | comments 1

Sony develops new 'RGBW coding' and 'HDR movie' functions

Sony Corporation today announced the development of two CMOS image sensor models designed for use in smartphones and other devices. They are equipped with Sony's unique “RGBW Coding” function which ...

Electronics / Consumer & Gadgets

created Jan 24, 2012 | popularity 4.7 / 5 (3) | comments 0

Metadynamics technique offers insight into mineral growth and dissolution

By using a novel technique to better understand mineral growth and dissolution, researchers at the Department of Energy's Oak Ridge National Laboratory are improving predictions of mineral reactions and laying the groundwork ...

Chemistry / Materials Science

created Jan 23, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Researchers develop comprehensive, accessible vision testing device

Eighty-five percent of children's learning is related to vision. Yet in the U.S., 80 percent of children have never had an eye exam or any vision screening before kindergarten, statistics say. When they do, the vision screenings ...

Medicine & Health / Diseases

created Jan 18, 2012 | popularity 3 / 5 (1) | comments 0

Neutron scattering provides window into surface interactions

To better understand the fundamental behavior of molecules at surfaces, researchers at the U.S. Department of Energy's Oak Ridge National Laboratory are combining the powers of neutron scattering with chemical analysis.

Physics / General Physics

created Jan 17, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Backing out of the nanotunnel: New method for nucleic acid analysis

Nanopores provide a versatile tool for probing molecular structures. A new German study shows that one can obtain more detailed information about the dynamic behavior of nucleic acids during passage through nanopores by directing ...

Chemistry / Biochemistry

created Jan 10, 2012 | popularity not rated yet | comments 0

Slaves or not, Babylonians were like us, says book

(PhysOrg.com) -- They got married, had children, made beer. Although they lived 3,500 years ago in Nippur, Babylonia, in many ways they seem like us. Whether they were also slaves is a hotly contested question ...

Other Sciences / Other

created Jan 06, 2012 | popularity 3.6 / 5 (7) | comments 16