The LSST is a US project headquartered in Arizona that is building a revolutionary new design of telescope that has a field of view 1000 times larger than that of existing large telescopes and a world-class light gathering capability. Every aspect of the project will be record breaking.
The field of view, at ten square degrees, could accommodate fifty full moons. The LSST will image an area of the sky roughly fifty times that of the full moon every 15 seconds, opening a movie-like window on objects that change or move on rapid time scales: supernovae explosions which can be seen halfway across the universe, nearby asteroids which might potentially strike Earth, and faint objects in the outer solar system, far beyond Pluto. Using the light-bending gravity of dark matter, the LSST will chart the history of the expansion of the universe and probe the mysterious nature of dark energy.
The LSST has become possible because we are now able to make large, deeply curved mirrors to an accuracy thought impossible just ten years ago. The telescope will use three mirrors, an 8.4m primary, a 3.4m secondary and a 5.0m tertiary, with the first and last fabricated as a single monolith. This three stage reflection means that LSST is actually so compact that it could sit inside current generation telescope domes.
It has recently been announced that Cerro Pachón, a 2,680m high mountain peak in northern Chile, has been selected as the future site for the Large Synoptic Survey Telescope. The mountain already hosts other large telescopes including the Gemini South 8m reflecting telescope on which Observatory Sciences consultants have worked in the past.
Philip Taylor | alfa
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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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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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