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Ultra-thin tool heating improves injection molding

January 2, 2014 11:58 am | News | Comments

To manufacture plastic parts with high-end surfaces, the entire forming tool is heated to 110 C using a technique known as variothermic tempering. To retrieve the finished plastic part, the mold must be cooled by up to 30 C, consuming lots of energy. Researchers have now developed a new kind of tempering technique that is up to 90% more energy efficient than variothermic tempering approaches.

Researchers grow liquid crystal “flowers” that can be used as lenses

December 23, 2013 11:17 am | News | Comments

In earlier studies, a team from the Univ. of Pennsylvania produced nanoscale grids and rings of “defects,” or useful disruptions in the repeating patterns found in liquid crystals. Their latest study adds a more complex pattern out of an even simpler template: A 3-D array in the shape of a flower. This advances the use of liquid crystals as a medium for assembling structures.

To clean up coal, Obama pushes more oil production

December 23, 2013 10:31 am | by Dina Cappiello, Associated Press | News | Comments

America's newest, most expensive coal-fired power plant is hailed as one of the cleanest on the planet, thanks to government-backed technology that removes carbon dioxide and keeps it out of the atmosphere. But once the carbon is stripped away, it will be used to do something that is not so green at all. It will extract oil.

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Jet-propelled wastewater treatment

December 19, 2013 7:55 pm | News | Comments

Researchers from the Max Planck Institute for Intelligent Systems in Stuttgart have developed a new method for the active degradation of organic pollutants in solution by using swimming microengines. These tiny “engines” are made from platinum and iron and are highly efficient in removing organic pollutants from water using hydrogen peroxide.

Cells from the eye inkjet printed for the first time

December 18, 2013 2:05 pm | News | Comments

A group of researchers from the U.K. have used inkjet printing technology to successfully print cells taken from the eye for the very first time. The breakthrough, detailed in Biofabrication, could lead to the production of artificial tissue grafts made from the variety of cells found in the human retina and may aid in the search to cure blindness.

Microprinting leads to low-cost artificial cells

December 18, 2013 9:12 am | by A'ndrea Elyse Messer, Penn State Univ. | News | Comments

Easily manufactured, low-cost artificial cells manufactured using microprinting may one day serve as drug and gene delivery devices, according to engineers at Penn State Univ. who are creating large arrays of artificial cells. Made of lipids and proteins, these uniformly sized cells can either remain attached to the substrate on which they grow, or become separated and used as freely moving vessels.

Google deal adds to company's robotics toolbox

December 17, 2013 8:44 am | by Michael Liedtke, AP Technology Writer | News | Comments

Google may be gearing up to build robots that resemble props in science-fiction movies as the ambitious Internet company expands into yet another technological frontier. To gather the expertise and research it needs, Google has purchased eight companies that specialize in robotics this year. The acquisitions are being assembled into a new robotics division headed by Andy Rubin, who oversaw Google's development of Android.

3-D printed implants may soon fix complex injuries

December 13, 2013 2:54 pm | by Katie Feldman, National Science Foundation | News | Comments

Researchers are adapting technology for 3-D printing metals, ceramics, and other materials to create custom medical implants designed to fix complicated injuries. Using a technology called Laser Engineered Net Shaping (LENS), these new implants integrate into the body more effectively, encouraging bone regrowth that ultimately results in a stronger, longer lasting implant.

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3-D printing creates murky product liability issues

December 13, 2013 8:47 am | Videos | Comments

While 3-D printing empowers people to create amazing objects once unimagined, it also raises red flags on the legal concept of strict product liability, according to a Stanford Univ. law professor. Nora Freeman Engstrom published her research exploring how 3-D printing is poised to challenge the American litigation landscape. 3-D printers can produce elaborate 3-D products of almost any shape, working from designs on a computer screen.

3-D printing used as a tool to explain theoretical physics

December 9, 2013 10:05 am | News | Comments

Students may soon be able to touch some of the theoretical concepts they are taught in their physics classes thanks to a new idea devised by a group of researchers in England. In just eight hours and at the cost of around 15 euros, they were able to use a commercially available 3-D printer to create their own object based on a mathematical model that described how forest fires can be started and how they eventually spread over time.  

Researchers investigate role of consumers in sustainable product development

December 5, 2013 9:02 am | News | Comments

From green electricity tariffs to car sharing schemes, many sustainable products and services are being brought to market by start-ups. However, there has been relatively little research into how and why individuals take this step and whether their start-ups become a success. Fourteen European institutes coordinated by the Technical Univ.  of Munich will be investigating this trend to see what potential it holds for a sustainable economy.

Fifty meters of optical fiber shrunk to size of microchip

December 3, 2013 2:19 pm | News | Comments

DARPA-funded researchers have recently developed new methods to integrate long 50-m coils of waveguides with low signal loss onto microchips. This new class of photonic waveguides, with losses approaching that of optical fiber, is smaller and more precise than any previous light delay device.

SunPartner Technologies, 3M to deliver wireless transparent solar charging system

November 22, 2013 3:56 pm | News | Comments

SunPartner Technologies and 3M Company have announced an agreement to collaborate in product development and technical solutions based on engineered electronics materials from 3M and transparent solar cell technologies from Sunpartner Technologies. The two companies are developing a sustainable wireless transparent micro component that will charge devices while they are being used and exposed to light.

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Researchers in Germany build bio-based solar cell

November 21, 2013 12:46 pm | News | Comments

In leaves, two proteins are responsible for photosynthesis, and they perform the conversion of carbon dioxide into oxygen and biomass very efficiently. Scientists have now harnessed this capability by embedding these proteins into complex molecules developed in the laboratory. Their bio-based solar cell creates electron current instead of biomass.

Energy savings in 3-D

November 21, 2013 7:37 am | News | Comments

Researchers at Oak Ridge National Laboratory are working with aircraft makers to determine energy savings through the use of additive manufacturing, also known as 3-D printing. The research team is printing airplane parts to show additive manufacturing’s potential as a technology that should be considered foundational to processes seeking more energy efficiency.

New milestone could help magnets end era of computer transistors

November 20, 2013 9:48 am | by Sarah Yang, Univ. of California, Berkeley | News | Comments

New work by researchers at Univ. of California, Berkeley could soon transform the building blocks of modern electronics by making nanomagnetic switches a viable replacement for the conventional transistors found in all computers.

Next generation of biofuels is still years away

November 14, 2013 12:54 pm | by Jonathan Fahey, Associated Press | News | Comments

The first trickle of fuels made from agricultural waste is finally winding its way into the nation's energy supply. But the full benefits of this fuel source remain many years away, and ethanol, which was meant to be a stop-gap until non-food sources of fuel were found, has been far more damaging to the environment than the government predicted.

Team demonstrates new paradigm for solar cell construction

November 12, 2013 8:53 am | News | Comments

Researchers from the Univ. of Pennsylvania and Drexel Univ. have experimentally demonstrated a new method for solar cell construction which may ultimately make them less expensive, easier to manufacture and more efficient at harvesting energy from the sun. The breakthrough, which is the result of five years of focused research, relies on specifically designed perovskite crystals that deliver a “bulk” photovoltaic effect.

A toolbox for carbon dioxide-free buildings

November 5, 2013 4:32 pm | News | Comments

A set of new building technologies introduced by an alliance of Swiss companies makes it possible to heat and cool buildings without the emission of carbon dioxide. One initial key element of the system is a hybrid collector, built into the roof construction, that serves as a photovoltaic system delivering both solar power and heat that is fed to an underground accumulator.

EPFL's campus has the world's first solar window

November 5, 2013 4:08 pm | News | Comments

The Swiss Federal Institute of Technology in Lausanne’s new convention center, opening in April 2014, is being equipped with a glass façade composed of dye solar cells. The project, a world’s first for an exterior window, leverages the potential of dye-sensitive solar cells known as Graetzel cells, which are indifferent to the angle of incidence of light that hits them.

Driver monitoring systems extend beyond luxury nameplates

November 5, 2013 4:01 pm | News | Comments

A new market study forecasts that the global market for driver monitoring systems will reach 64.8 million units by the end of 2020 with the majority of shipments being accounted for in vehicles sold in the Asia-Pacific region. A major 2013 is that these systems are migrating from the luxury brands like Volvo and Mercedes-Benz to more mass market models.

Organic lights and solar cells, straight from the printer

November 4, 2013 2:17 pm | News | Comments

Flickering façades, curved monitors, flashing clothing, fluorescent wallpaper, flexible solar cells—and all printable. This is no make-believe vision of the future; it will soon be possible using a new printing process for organic light-emitting diodes.

Microfluidic material breakthrough allows wafer-scale mass production of lab-on-chip

November 1, 2013 12:04 pm | News | Comments

Belgian nanoelectronics research center Imec and JSR, a materials company based in Tokyo, Japan, announce that they have successfully used JSR’s innovative PA (Photo-patternable Adhesive) material for wafer-scale processing of lab-on-chip devices. Using this material, imec has processed microfluidic cell-sorter devices, merging microheaters and sensors with wafer-scale polymer microfluidics.

4-D printing technology developed for composite materials

October 23, 2013 8:17 am | News | Comments

Researchers at the Univ. of Colorado Boulder have successfully added a fourth dimension to their printing technology, opening up exciting possibilities for the creation and use of adaptive, composite materials in manufacturing, packaging and biomedical applications. The researchers incorporated “shape memory” polymer fibers into the composite materials used in traditional 3-D printing.

Printing architecture

October 21, 2013 2:12 pm | News | Comments

Two researchers from the Institute for Technology in Architecture in Switzerland have created an immersive space from artificial sandstone with a 3D printer. The design, which cannot be drawn by hand or generated by software such as CAD, resembles a gothic cathedral’s façade and is currently on display in Orléans, France.

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