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Pittcon gears up for 2014

September 27, 2013 | Comments

Pittcon, a leading laboratory science and technical innovation showcase, attracts thousands of conferees from 90 countries visit each year to evaluate new products and technologies, formulate purchase decisions, and form valuable business connections. Conferee registration, is now open for Pittcon 2014, to be held March 2-6, at McCormick Place South, Chicago, Ill.

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R&D Daily

Moving silicon atoms in graphene with atomic precision

September 15, 2014 10:34 am | Comments

In recent years, it has become possible to see directly individual atoms using electron microscopy, especially in graphene. Using electron microscopy and computer simulations, an international team has recently shown how an electron beam can move silicon atoms through the graphene lattice without causing damage.

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Study sheds new light on why batteries go bad

September 15, 2014 7:34 am | by Andrew Gordon, SLAC National Accelerator Laboratory | Comments

A comprehensive look at how tiny particles in a lithium-ion battery electrode behave shows that rapid-charging the battery and using it to do high-power, rapidly draining work may not be as damaging as researchers had thought—and that the benefits of slow draining and charging may have been overestimated.

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Faster image processing for low-radiation CT scans

September 12, 2014 8:08 am | by Kate McAlpine, Univ. of Michigan | Comments

A new $1.9 million study at the Univ. of Michigan seeks to make low-dose computed tomography scans a viable screening technique by speeding up the image reconstruction from half an hour or more to just five minutes. The advance could be particularly important for fighting lung cancers, as symptoms often appear too late for effective treatment.

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World’s first 3-D printed car being assembled at IMTS

September 10, 2014 6:15 pm | Comments

During the six-day IMTS manufacturing technology show in Chicago this week, the “Strati” will be the first vehicle printed in one piece using direct digital manufacturing. The process will take more than 44 hours of print time. A team including Local Motors, Cincinnati Inc. and Oak Ridge National Laboratory will then rapidly assemble it for a historic first set for Saturday.

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New digital map reveals stunning hidden archaeology of Stonehenge

September 10, 2014 10:03 am | Comments

A high-tech survey reveals that there is more to Stonehenge than meets the eye, finding previously unknown monuments. Researchers have produced digital maps of what's beneath the World Heritage Site, using ground-penetrating radar, high-resolution magnetometers and other techniques to peer deep into the soil. And they have found some surprises.

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Engineer aims to connect the world with ant-sized radios

September 10, 2014 7:57 am | by Tom Abate, Stanford Engineering | Comments

A Stanford Univ. engineering team has built a radio the size of an ant, a device so energy efficient that it gathers all the power it needs from the same electromagnetic waves that carry signals to its receiving antenna. Designed to compute, execute and relay commands, this tiny wireless chip costs pennies to fabricate.

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First evidence for water ice clouds found outside solar system

September 9, 2014 12:22 pm | Comments

A team of scientists led by Carnegie's Jacqueline Faherty has discovered the first evidence of water ice clouds on an object outside of our own Solar System. Water ice clouds exist on our own gas giant planets, but have not been seen outside of the planets orbiting our Sun until now.

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Soft robot squirms over fire, ice, and withstands crushing force

September 9, 2014 7:54 am | Comments

Engineers have created a shape-changing "soft" robot that can tread over a variety of adverse environmental conditions including snow, puddles of water, flames, and the crushing force of being run over by an automobile. The pneumatically powered, fully untethered robot was enabled by the careful selection of materials and composites, including silicone elastomer.

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Co-flowing liquids can stabilize chaotic “whipping” in microfluidic jets

September 9, 2014 7:49 am | by John Toon, Georgia Institute of Technology | Comments

Industrial wet spinning processes produce fibers from polymers and other materials by using tiny needles to eject continuous jets of liquid precursors. The electrically charged liquids ejected from the needles normally exhibit a chaotic “whipping” structure as they enter a secondary liquid that surrounds the microscopic jets.

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First graphene-based flexible display produced

September 5, 2014 12:03 pm | Comments

A flexible display incorporating graphene in its pixels’ electronics has been successfully demonstrated by the Cambridge Graphene Centre and Plastic Logic. The new prototype is an active matrix electrophoretic display, similar to the screens used in today’s e-readers, except it is made of flexible plastic instead of glass. This advance marks the first time graphene has been used in a transistor-based flexible device.

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The birth of a mineral

September 5, 2014 8:12 am | by Mary Beckman, Pacific Northwest National Laboratory | Comments

One of the most important molecules on Earth, calcium carbonate crystallizes into chalk, shells and minerals the world over. In a study led by Pacific Northwest National Laboratory, researchers used a powerful microscope that allows them to see the birth of crystals in real time, giving them a peek at how different calcium carbonate crystals form, they report in Science.

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Changing temperature powers sensors in hard-to-reach places

September 4, 2014 10:04 am | by Michelle Ma, Univ. of Washington | Comments

A centuries-old clock built for a king is the inspiration for a group of computer scientists and electrical engineers who hope to harvest power from the air. The clock, powered by changes in temperature and atmospheric pressure, was invented in the early 17th century by a Dutch builder. Three centuries later, Swiss engineer Jean Leon Reutter built on that idea and created the Atmos mechanical clock that can run for years.

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Electron microscopes take first measurements of nanoscale chemistry in action

September 4, 2014 8:15 am | by Louise Lerner, Argonne National Laboratory | Comments

Scientists’ underwater cameras got a boost this summer from the Electron Microscopy Center at Argonne National Laboratory. Along with colleagues at the Univ. of Manchester, researchers captured the world’s first real-time images and simultaneous chemical analysis of nanostructures while “underwater,” or in solution.

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Tiny graphene drum could form future quantum memory

August 26, 2014 4:03 pm | Comments

Scientists in The Netherlands have demonstrated that they can detect extremely small changes in position and forces on very small drums of graphene. Graphene drums have great potential to be used as sensors in devices such as mobile phones. Using their unique mechanical properties, these drums could also act as memory chips in a quantum computer.

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A glucose meter of a different color provides continuous monitoring

August 26, 2014 7:53 am | by Liz Ahlberg, Physical Sciences Editor, Univ. of Illinois, Urbana-Champaign | Comments

Univ. of Illinois engineers are bringing a touch of color to glucose monitoring. The researchers developed a new continuous glucose monitoring material that changes color as glucose levels fluctuate, and the wavelength shift is so precise that doctors and patients may be able to use it for automatic insulin dosing—something now possible using current point measurements like test strips.

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