Cardiff experts key role in space telescope mission
Experts at Cardiff University, UK, are designing and building highly sophisticated equipment, which will travel deep into space to enable scientists to look back in time to observe the formation of galaxies and stars. A team in the School of Physics and Astronomy is heading an international consortium, led by Cardiffs Professor Matt Griffin, to produce SPIRE. This is a three-colour camera and spectrometer, which will be launched aboard the European Space Agencys Herschel Space Observatory in 2007.
It will detect radiation at very long wavelengths, revealing distant galaxies - up to 10 billion light years away - which are invisible to other telescopes. This is equivalent to looking up to 10 billion years into the past, and hence SPIRE will be able to view distant galaxies in their early stages of formation. SPIRE will also be able to look at closer clouds of dust and gas in our own galaxy, and view the formation of stars in "stellar nurseries".
Dr Peter Hargrave | EurekAlert!
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A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
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The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
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Broadband rotational spectroscopy unravels structural reshaping of isolated molecules in the gas phase to accommodate water
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The efficiency of power electronic systems is not solely dependent on electrical efficiency but also on weight, for example, in mobile systems. When the weight of relevant components and devices in airplanes, for instance, is reduced, fuel savings can be achieved and correspondingly greenhouse gas emissions decreased. New materials and components based on gallium nitride (GaN) can help to reduce weight and increase the efficiency. With these new materials, power electronic switches can be operated at higher switching frequency, resulting in higher power density and lower material costs.
Researchers at the Fraunhofer Institute for Solar Energy Systems ISE together with partners have investigated how these materials can be used to make power...
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