Wednesday 8 March 2017

Research lab expands palette for color-changing glass

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New nanophotonics research could expand the color palette for companies in the fast-growing market for glass windows that change color at the flick of an electric switch. A team of researchers has used an inexpensive hydrocarbon molecule to create low-voltage, multicolor, electrochromic glass.
via Science Daily

Mechanism underlying size-sorting of rubble on asteroid Itokawa revealed

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Researchers investigate why pebbles and boulders on asteroid Itokawa's surface occupy separate regions.
via Science Daily
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Chemists create molecular 'leaf' that collects and stores solar power without solar panels

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An international research team has engineered a molecule that uses light or electricity to convert the greenhouse gas carbon dioxide into carbon monoxide -- a carbon-neutral fuel source -- more efficiently than any other method of "carbon reduction." The discovery is a new milestone in the quest to recycle carbon dioxide in the Earth’s atmosphere into carbon-neutral fuels and others materials.
via Science Daily

New survey finds 'Peter Pan' radio galaxies that may never grow up

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A team of astronomers has doubled the number of known young, compact radio galaxies -- galaxies powered by newly energized black holes. The improved tally will help astronomers understand the relationship between the size of these radio sources and their age, as well as the nature of the galaxy itself. In particular, it will help astronomers understand why there are so many more young radio galaxies than old.
via Science Daily
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Ancient stardust sheds light on the first stars

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Astronomers have used ALMA to detect a huge mass of glowing stardust in a galaxy seen when the Universe was only four percent of its present age. This galaxy was observed shortly after its formation and is the most distant galaxy in which dust has been detected. This observation is also the most distant detection of oxygen in the Universe. These new results provide brand-new insights into the birth and explosive deaths of the very first stars.
via Science Daily
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Research uncovers potential health risks of travel to Mars

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Using mice transplanted with human stem cells, a research team has demonstrated for the first time that the radiation encountered in deep space travel may increase the risk of leukemia in humans.
via Science Daily
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Dust, Gas, and Stars in the Orion Nebula

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The Great Nebula in Orion, an immense, nearby starbirth region, is probably the most famous of all astronomical nebulas. Here, filaments of dark dust and glowing gas surround hot young stars at the edge of an immense interstellar molecular cloud only 1500 light-years away. In the featured deep image shown in assigned colors, part of the nebula's center is shown as taken by the Hubble Space Telescope. The Great Nebula in Orion can be found with the unaided eye near the easily identifiable belt of three stars in the popular constellation Orion. In addition to housing a bright open cluster of stars known as the Trapezium, the Orion Nebula contains many stellar nurseries. These nurseries contain much hydrogen gas, hot young stars, proplyds, and stellar jets spewing material at high speeds. Also known as M42, the Orion Nebula spans about 40 light years and is located in the same spiral arm of our Galaxy as the Sun.

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Graphene Experience Zone at MWC 2017

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For the second year in a row, the Graphene Pavilion took a central role at the Mobile World Congress (MWC), the world’s largest event on mobile technology. The Pavilion was an exhibit of how graphene is changing today’s technology and what new technological experiences graphene is about to enable.

As our mobile devices become increasingly complex and start to interact with other devices and each other, the scope of what “mobile technology” is becomes very broad. Because of the trend of blurring the lines between software and hardware and the imminent rise of the internet of things (IoT), the MWC has become a showcase for many new technologies that just a few years ago would not belong to the mobile world. This year there were two pavilions: Graphene and IoT, and spaces for virtual reality/augmented reality, robotics and drones.

The Graphene Experience Zone, which is how the Graphene Flagship dubbed the Graphene Pavilion, focused on 5 key innovation areas: IoT and Sensors; Wearables and Health; Datacom; Energy; and Composites. Each of these areas showed several exemplar applications, like for example the graphene mechanical pixels as part of IoT and Sensors.

Photo: Santiago Cartamil-Bueno next to the GIMOD stand at MWC 2017.

Graphene mechanical pixels consist of a moving graphene membrane that selectively reflects a certain color depending on the position of the membrane. An array of graphene mechanical pixels makes a Graphene Interferometric MOdulator Display (GIMOD), a low-power high-resolution natural color display in which pixel color is controlled by electrostatic gating. The resolution of interferometric displays is determined by the lateral size of the pixels, which in turn is limited by the thickness of the membranes. In this context graphene is the ultimate material for this technology, because it is only one atom thick. GIMOD screens offer the possibility to go beyond state-of-the-art 8K resolution. In 8K, individual pixels are smaller than the eye can discern, allowing ultimate control of images. GIMOD was created with technology developed at TU Delft in collaboration with Graphenea.

Graphenea also had a stand at the conference where we showed our product line. The event was an opportunity to expand beyond our established partner network, to get fresh ideas by visiting the event at large, and to showcase our graphene production capabilities.

Photo: Mireia GarcĂ­a, business developer analyst at Graphenea next to our stand at MWC 2017.


via Graphenea

Our Universe’s Very Dusty Early, Early Beginnings

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Far away, in a constellation called Sculptor, astronomers have glimpsed the universe’s oldest dust. It’s 13.2 billion years old.
via New York Times

Blue Origin, Jeff Bezos’s Moon Shot, Gets First Paying Customer

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In about five years, Eutelsat, a satellite TV provider, will strap one of its satellites to a new Blue Origin rocket to be delivered to space.
via New York Times