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Record-breaking high-energy particles detected by telescope buried in Antarctic

May 17, 2013 12:26 pm | News | Comments

A massive telescope buried in the Antarctic ice has detected 28 extremely high-energy neutrinos—elementary particles that likely originate outside our solar system. Two of these neutrinos had energies many thousands of times higher than the highest-energy neutrino that any man-made particle accelerator has ever produced, according to a team of IceCube Neutrino Observatory researchers. The estimate is greater than 1 peta-electron volt.

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Topography of Eastern Seaboard muddles ancient sea level changes

May 17, 2013 12:31 pm | by Ann Stark, LLNL | News | Comments

According to research taking place at Lawrence Livermore National Laboratory, the distortion of the ancient shoreline and flooding surface of the U.S. Atlantic Coastal Plain are the direct result of fluctuations in topography in the region and could have implications on understanding long-term climate change, according to a new study.

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Physicists create world’s smallest drops

May 17, 2013 12:15 pm | News | Comments

Results of a recent experiment conducted at the Large Hadron Collider may have generated the smallest drops of liquid ever produced in a laboratory. Evidence of the minuscule droplets was extracted from the results of colliding protons with lead ions at velocities approaching the speed of light. According to the scientists’ calculations, these short-lived droplets are the size of three to five protons.

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Study: Earth's iron core is surprisingly weak

May 17, 2013 10:54 am | News | Comments

The massive ball of iron sitting at the center of Earth is not quite as "rock-solid" as has been thought, say two Stanford University mineral physicists. By conducting experiments that simulate the immense pressures deep in the planet's interior, the researchers determined that iron in Earth's inner core is only about 40% as strong as previous studies estimated.

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Research improves dry lubricant used in machinery, biomedical devices

May 17, 2013 10:44 am | News | Comments

Nearly everyone is familiar with the polytetrafluoroethylene (PTFE), otherwise known as Teflon. Famous for being “non-sticky” and water repellent, PTFE is a dry lubricant used on machine components everywhere. Recently, engineering researchers at the University of Arkansas found a way to make the polymer even less adhesive.

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Tiny camera in Illinois offers bug's eye view

May 17, 2013 9:47 am | News | Comments

A tiny new camera developed at an Illinois university is giving researchers a bug's eye view. The camera created by a research team at the University of Illinois at Urbana-Champaign is about the size of a penny and mimics insects' bulging eyes. It features 180 micro-lenses, giving it a panoramic field of view and the ability to focus simultaneously on objects at different depths.

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Motorized XY Microscope Stage

May 17, 2013 9:15 am | Product Releases | Comments

Zaber Technologies has introduced a new motorized xy microscope stage designed to replace manual stages on upright and inverted microscopes. The ASR microscope stage can be used with many common microscopes such as Leica, Nikon, Olympus, and Zeiss, or for standalone operation as scanning stages.

Lasers for Life Science Applications

May 17, 2013 9:12 am | Product Releases | Comments

A new series of Sapphire lasers from Coherent Inc. at 594 nm are suitable for fluorescence-based applications in life sciences. Based on Coherent’s optically pumped semiconductor laser (OPSL) technology, these Sapphire 594 lasers offer high performance, reliability, and efficiency.

Nanocrystals grow from liquid interface

May 17, 2013 8:48 am | News | Comments

An international collaboration of scientists has discovered a unique crystalizing behavior at the interface between two immiscible liquids that could aid in sustainable energy development. Liquid interface behavior cannot be investigated at atomic level by most modern methods. Only brilliant X-rays at world-leading light sources can investigate this type of important chemical processes.

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New pump resolves big space station leak

May 17, 2013 8:20 am | by Marcia Dunn, AP Aerospace Writer | News | Comments

An impromptu spacewalk over the weekend seems to have fixed a big ammonia leak at the International Space Station, NASA said Thursday. The "gusher" erupted a week ago, prompting the hastiest repair job ever by residents of the orbiting lab. Spacewalking astronauts replaced a suspect ammonia pump on Saturday, just two days after the trouble arose.

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Stacking 2D materials produces surprising results

May 17, 2013 7:46 am | by David L. Chandler, MIT News Office | News | Comments

Graphene has dazzled scientists ever since its discovery more than a decade ago. But one long-sought goal has proved elusive: how to engineer into graphene a property called a band gap, which would be necessary to use the material to make transistors and other electronic devices. New findings by Massachusetts Institute of Technology researchers are a major step toward making graphene with this coveted property.

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New study: Fracking hasn't polluted Arkansas water

May 16, 2013 5:58 pm | by KEVIN BEGOS - Associated Press - Associated Press | News | Comments

Hydraulic fracturing for natural gas hasn't contaminated drinking water wells in Arkansas, according to a new study, but researchers said the geology there may be more of a natural barrier to pollution than in other areas where shale gas drilling takes place.

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Private spaceship tests underway

May 16, 2013 3:17 pm | by BROCK VERGAKIS - Associated Press - Associated Press | News | Comments

A Colorado company developing a spaceship to take astronauts to the International Space Station is having elements of its spacecraft undergo landing-related tests at NASA facilities in Virginia and California. NASA wants private firms to ferry astronauts into low-Earth orbit so it can focus on deep-space exploration and send crews to a nearby asteroid and eventually Mars.

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Flowers self-assemble in a beaker

May 16, 2013 2:46 pm | News | Comments

With the hand of nature trained on a beaker of chemical fluid, the most delicate flower structures have been formed in a Harvard University laboratory—and not at the scale of inches, but microns. These minuscule sculptures, curved and delicate, don't resemble the cubic or jagged forms normally associated with crystals, though that's what they are. Rather, fields of flowers seem to bloom from the surface of a submerged glass slide.

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Artificial forest for solar water-splitting

May 16, 2013 2:34 pm | News | Comments

In the wake of the sobering news that atmospheric carbon dioxide is now at its highest level in at least three million years, an important advance in the race to develop carbon-neutral renewable energy sources has been achieved. Scientists with Lawrence Berkeley National Laboratory have reported the first fully integrated nanosystem for artificial photosynthesis.

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Add boron for better batteries

May 16, 2013 2:20 pm | News | Comments

Frustration led to revelation when Rice University scientists determined how graphene might be made useful for high-capacity batteries. Calculations by the Rice laboratory of theoretical physicist Boris Yakobson found a graphene-boron anode should be able to hold a lot of lithium and perform at a proper voltage for use in lithium-ion batteries.

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