Tuesday, 2 August 2016

Space scientists observe Io's atmospheric collapse during eclipse

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Astronomers have documented atmospheric changes on Io, Jupiter's volcanically active satellite, as the giant planet casts its shadow over the moon's surface during daily eclipses.
via Science Daily
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A Rocket Booster Falls Back to Earth

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Hybrid graphene – quantum dot infrared photodetectors for food safety

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Infrared (IR) thermometry has proven to be an ideal tool for food safety inspectors and regulators. A means of measuring food temperature from afar and under versatile conditions, IR thermometers are used to detect food that has started to go bad, improving food quality and increasing productivity. Now, Graphenea and the research institute ICFO (Institute of Photonic Sciences located near Barcelona) have been awarded a project to produce high sensitivity hybrid graphene – quantum dot infrared photodetectors for food safety applications. The project will be funded under the RETOS scheme.

RETOS, funded by the Ministry of Industry and Competitiveness of Spain, offers incentives for public-private collaborations, specifically facilitating the creation of joint R&D+i projects between research organizations and companies. These projects help to promote innovation, attracting private investment, generating employment and improving the technology base in the county. This call in particular aimed at research specifically targeting Societal Challenges.

Photo: Wafer with graphene devices.

The project “Wafer-scale manufacturing of hybrid graphene - quantum dot infrared detectors for food security” (original Spanish title is “Detectores infrarrojos h√≠bridos basados en grafeno y puntos cu√°nticos para seguridad alimentaria fabricados a escala de oblea” - GRAQDOBLEA) will develop a working prototype of a wafer scale image sensor array based on ICFO’s unique hybrid graphene – quantum dot technology. The technology was developed by the two research groups that are leading the project together with Graphenea, teams led by professors Gerasimos Konstantatos and Frank Koppens.


via Graphenea

Faintest hisses from space reveal famous star's past life

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Using a telescope in remote outback Australia, astronomers have peered into the past of a nearby star millions of years before its famous explosion.The research paints a picture of the star's life long before its death in what was the closest and brightest supernova seen from Earth, now known as supernova remnant 1987A, which collapsed spectacularly almost 30 years ago.
via Science Daily
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A giant stellar void in the Milky Way

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A major revision is required in our understanding of our Milky Way Galaxy according to an international team. Astronomers have found that there is a huge region around the center of our own galaxy, which is devoid of young stars.
via Science Daily
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Swapping substrates improves edges of graphene nanoribbons

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Miniscule ribbons of graphene are highly sought-after building blocks for semiconductor devices because of their predicted electronic properties. But making these nanostructures has remained a challenge. Now, scientists have devised a new method to make the structures in the lab.
via Science Daily