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453 matches found for "dark energy"

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Large Hadron Collider Restarts, Physicists Elated

A clockwise circulating beam was established in the LHC’s 17-mile-diameter ring on Nov. 20, ending more than a year of repairs to the huge underground laboratory. It is now ready to begin creating hig...

Physics and Astronomy | nachricht Read more
Ticking Stellar Time Bomb Identified

Using ESO’s Very Large Telescope and its ability to obtain images as sharp as if taken from space, astronomers have made the first time-lapse movie of a rather unusual shell ejected by a “vampire star...

Physics and Astronomy | nachricht Read more
ESA spacecraft may help unravel cosmic mystery

Since 1990, scientists and mission controllers at ESA and NASA have noticed that their spacecraft sometimes experience a strange variation in the amount of orbital energy they exchange with Earth duri...

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New paper describes connections between Circadian and metabolic systems

The relationship between circadian and metabolic systems the researchers describe could have important implications for understanding the higher incidence of cardiovascular disease, obesity and diabet...

Life Sciences | nachricht Read more
Sponges recycle carbon to give life to coral reefs

Marine biologist Fleur Van Duyl from the Royal Netherlands Institute for Sea Research is fascinated by the energy budgets that support coral reefs in this impoverished environment. According t...

Life Sciences | nachricht Read more
Researchers Contribute to Discovery of Gamma Rays from Starburst Galaxy

The discovery has just been published by the journal Nature. The study reports that researchers using the VERITAS array of four telescopes at the Fred Lawrence Whipple Observatory in Arizona have dete...

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A Long Night Falls Over Saturn's Rings

This happens during Saturn's equinox, when the sun is directly over Saturn's equator. At this time, the rings, which also orbit directly over the planet's equator, appear edge-on to the...

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Space observatory’s detector technology goes into single-molecule imaging

Since 1999, Yoshiyuki Takizawa has been working on the Extreme Universe Space Observatory (EUSO), an international project to develop a super wide-field telescope capable of observing large volumes of...

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"Green" OLED-Displays - High Image Quality at Low Energy

They are regarded as displays of the future - organic light emitting diode-displays - called OLED-displays in short. This technology is already applied in mobile phones, MP3-players and digital camera...

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Vanderbilt astronomers participate in new search for dark energy

The goal of the six-year project is to measure the spectra of 1.4 million galaxies and 160,000 quasars, extremely distant objects that shine more brightly than entire galaxies. The previous sk...

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First light for BOSS -- a new kind of search for dark energy

A part of the Sloan Digital Sky Survey III (SDSS-III), BOSS achieved "first light" on the night of September 14-15, when it acquired data with an upgraded spectrographic system across the e...

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Astronomers Begin New Search for Dark Energy

"Making a three-dimensional map is essential to understanding why the universe is expanding at an ever-accelerating rate," said UA astronomy professor Daniel Eisenstein, director of the Sloa...

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A flash of light turns graphene into a biosensor

Biomedical researchers suspect graphene, a novel nanomaterial made of sheets of single carbon atoms, would be useful in a variety of applications. But no one had studied the interaction between graphe...

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Europe-wide Standardised Outdoor Tests for PV Modules

Module manufacturers sell their products all over the world. And yet, since unified standards are lacking, a location-specific, direct product comparison has not been possible. This will chang...

Power and Electrical Engineering | nachricht Read more
Solar Cycle Driven by More than Sunspots; Sun Also Bombards Earth with High-Speed Streams of Wind

The study, led by scientists at the National Center for Atmospheric Research (NCAR) and the University of Michigan, finds that Earth was bombarded last year with high levels of solar energy at a time ...

Earth Sciences | nachricht Read more
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