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Model of 3-D building photographed from inside. Courtesy of Johan Gunséus

Sweden starts a project of 3D printing houses

June 29, 2015 11:42 am | by Umeå universitet | Comments

In a collaborative project worth SEK 35 million, researchers and external partners are together developing a technology to make full-scale 3-D prints of cellulose based material. It is not a matter of small prints—the objective is to make houses. One of the sub-goals is to produce cellulose-based materials for full-scale 3D printing, which can be anything from printing weather-stripping and doors to walls and, in the end, complete houses.

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Multi-color optical image around the ULX "X-1" (indicated by the arrow) in the dwarf galaxy Holmberg II, located in the direction of the constellation Ursa Major, at a distance of 11 million light-years. The image size corresponds to 1,100 × 900 light-yea

Unexpectedly small black-hole monsters rapidly suck up surrounding matter

June 29, 2015 11:10 am | by Subaru Telescope | Comments

Using the Subaru Telescope, researchers have found evidence that enigmatic objects in nearby galaxies—called ultra-luminous X-ray sources—exhibit strong outflows created as matter falls onto their black holes at unexpectedly high rates. The strong outflows suggest that black holes in these ULXs must be much smaller than expected. Curiously, these objects appear to be "cousins" of one of the most exotic objects in our own Milky Way Galaxy.

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Dr. Sahmaran tests the performance of healed ECC specimen under mechanical loading.

Concrete cracks heal themselves

June 29, 2015 10:46 am | by American Concrete Institute (ACI) | Comments

In the human body, small wounds are easily treated by the body itself, requiring no further care. For bigger wounds to be healed, the body may need outside assistance. Concrete is like a living body, in that it can self-heal its own small wounds (cracks) as an intrinsic characteristic. However, cracks do not heal easily in conventional concrete due to its rather brittle nature...

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To a stunned Graphene Week 2015 audience, Robert Roelver of Stuttgart-based engineering firm Bosch reported that company researchers, together with scientists at the Max-Planck Institute for Solid State Research, have created a graphene-based magnetic sen

Bosch announces breakthrough in graphene sensor technology

June 29, 2015 10:35 am | by Francis Sedgemore, Graphene Flagship | Comments

Graphene Week 2015 was awash with outstanding research results, but one presentation created quite a stir. To a stunned audience, Robert Roelver of Stuttgart-based engineering firm Bosch reported that company researchers, together with scientists at the Max-Planck Institute for Solid State Research, have created a graphene-based magnetic sensor 100 times more sensitive than an equivalent device based on silicon.

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The same plastic as in garbage bags makes an efficient heat exchanger in power plants by creating microchannels. Courtesy of Joshua Pearce

Better heat exchangers using garbage bags

June 29, 2015 10:21 am | by Michigan Technological University | Comments

The plastic used to make garbage bags also makes a good base for building low-temperature heat exchangers. Joshua Pearce's team helped design and make the plastic-based heat exchangers to be used in power plants. The key is expanded microchannel structures...

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Eco-friendly oil spill solution developed

June 29, 2015 10:00 am | by City College of New York | Comments

City College of New York researchers led by chemist George John have developed an eco-friendly biodegradable green "herding" agent that can be used to clean up light crude oil spills on water. Derived from the plant-based small molecule phytol abundant in the marine environment, the new substance would potentially replace chemical herders currently in use.

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Major step for implantable drug-delivery device

June 29, 2015 8:56 am | by Rob Matheson, MIT News Office | Comments

An implantable, microchip-based device may soon replace the injections and pills now needed to treat chronic diseases: Earlier this month, MIT spinout Microchips Biotech partnered with a pharmaceutical giant to commercialize its wirelessly controlled, implantable, microchip-based devices that store and release drugs inside the body over many years.

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The peaks and valleys of silicon

June 29, 2015 8:52 am | by University of Southern California | Comments

When the new iPhone came out, customers complained that it could be bent — but what if you could roll up your too big 6 Plus to actually fit in your pocket? That technology might be available sooner than you think, based on the work of USC Viterbi engineers.

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Scientists develop potential new class of cancer drugs in lab

June 29, 2015 8:48 am | by Saint Louis University | Comments

In research published in Cancer Cell, Thomas Burris, chair of pharmacology and physiology at Saint Louis University, has, for the first time, found a way to stop cancer cell growth by targeting the Warburg Effect, a trait of cancer cell metabolism that scientists have been eager to exploit.

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Making a better semiconductor

June 29, 2015 8:44 am | by Michigan State University | Comments

Research led by Michigan State University could someday lead to the development of new and improved semiconductors. In a paper, scientists detailed how they developed a method to change the electronic properties of materials in a way that will more easily allow an electrical current to pass through.

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Tomorrow will be one second longer

June 29, 2015 8:39 am | Comments

The day will officially be a bit longer than usual on Tuesday, June 30, 2015, because an extra second, or "leap" second, will be added.

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Opening a new route to photonics

June 29, 2015 8:35 am | Comments

A new route to ultrahigh density, ultracompact integrated photonic circuitry has been discovered by researchers. The Berkeley Lab team has developed a technique for effectively controlling pulses of light in closely packed nanoscale waveguides, an essential requirement for high-performance optical communications and chip-scale quantum computing.

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SpaceX rocket destroyed on way to space station, cargo lost

June 28, 2015 4:04 pm | by Marcia Dunn, Associated Press | Comments

An unmanned SpaceX rocket carrying supplies to the International Space Station broke apart Sunday shortly after liftoff. It was a severe blow to NASA, the third cargo mission to fail in eight months.

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Helium “balloons” offer new path to control complex materials

June 26, 2015 2:00 pm | by Morgan McCorkle, Oak Ridge National Laboratory | Comments

Researchers at Oak Ridge National Laboratory have developed a new method to manipulate a wide range of materials and their behavior using only a handful of helium ions. The team’s technique advances the understanding and use of complex oxide materials that boast unusual properties such as superconductivity and colossal magnetoresistance but are notoriously difficult to control.

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Z machine solves Saturn’s 2-billion-year age problem

June 26, 2015 1:45 pm | by Sandia National Laboratories | Comments

Planets tend to cool as they get older, but Saturn is hotter than astrophysicists say it should be without some additional energy source. The unexplained heat has caused a two-billion-year discrepancy for computer models estimating Saturn's age.

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