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Astronomers discover largest-ever dark matter structures spanning 270M light-years

Space & Earth / Astronomy

created Feb 21, 2008 | popularity 4.4 / 5 (66) | comments 3

A University of British Columbia astronomer with an international team has discovered the largest structures of dark matter ever seen. Measuring 270 million light-years across, these dark matter structures criss-cross the ...


Probing Question: Can we save today's documents for tomorrow?

Probing Question: Can we save today's documents for tomorrow?

Technology / Hi Tech

created Feb 12, 2009 | popularity 5 / 5 (1) | comments 2

Even though your grandparents’ old photo albums are yellowed and grainy, they’re still there for you and your family to enjoy. But will your grandchildren be able to say the same of the digital photo albums ...


New Limits on the Origin of Dark Matter

Physics / General Physics

created Jan 27, 2009 | popularity 4.5 / 5 (22) | comments 21

(PhysOrg.com) -- Determining the identity of dark matter, the mysterious stuff thought to make up the vast majority of matter in the universe, is one of the most fundamental challenges facing modern physics. Through theory ...


Review: A riff on robotics with self-tuning guitar (AP)

Review: A riff on robotics with self-tuning guitar

Electronics / Consumer & Gadgets

created Nov 25, 2009 | popularity 3.8 / 5 (9) | comments 4

(AP) -- New cars have been tuning themselves for the better part of two decades now, so it should feel less impressive that Gibson has built a guitar that can smoothly do the same.


Philips announces breakthrough in fully digital light detection technology

Philips announces breakthrough in fully digital light detection technology

Physics / General Physics

created Oct 08, 2009 | popularity 4.9 / 5 (7) | comments 1

Royal Philips Electronics today announced that its scientists have developed a highly innovative digital silicon photomultiplier technology that will allow faster and more accurate photon (the basic quantum ...


Scientists use world's fastest supercomputer to model origins of the unseen universe

Physics / General Physics

created Oct 26, 2009 | popularity 3.8 / 5 (9) | comments 5

Understanding dark energy is the number one issue in explaining the universe, according to Salman Habib, of the Laboratory's Nuclear and Particle Physics, Astrophysics and Cosmology group.


Astronomers discover most dark matter-dominated galaxy in universe

Astronomers Discover Most Dark Matter-Dominated Galaxy in Universe

Space & Earth / Astronomy

created Sep 18, 2008 | popularity 4.3 / 5 (58) | comments 19

(PhysOrg.com) -- A team led by a Yale University astronomer has discovered the least luminous, most dark matter-filled galaxy known to exist.


COUPP experiment tightens limits on dark matter

COUPP experiment tightens limits on dark matter

Physics / General Physics

created Feb 14, 2008 | popularity 4.6 / 5 (38) | comments 2

Scientists working on the COUPP experiment at the Department of Energy’s Fermi National Accelerator Laboratory today announced a new development in the quest to observe dark matter. The Chicagoland Observatory ...


Jerome P. McDonough

'Digital dark age' may doom some data

Technology / Hi Tech

created Oct 27, 2008 | popularity 4.5 / 5 (119) | comments 11

What stands a better chance of surviving 50 years from now, a framed photograph or a 10-megabyte digital photo file on your computer's hard drive?


XMM-Newton’s massive discovery

XMM-Newton's massive discovery

Space & Earth / Astronomy

created Aug 25, 2008 | popularity 4.2 / 5 (48) | comments 9

(PhysOrg.com) -- ESA's orbiting X-ray observatory XMM-Newton has discovered the most massive cluster of galaxies seen in the distant Universe until now. The galaxy cluster is so big that there can only be ...


Hubble Sees Double Einstein Ring

Hubble Sees Double Einstein Ring

Space & Earth / Astronomy

created Jan 10, 2008 | popularity 4.6 / 5 (58) | comments 0

The NASA/ESA Hubble Space Telescope has revealed a never-before-seen optical alignment in space: a pair of glowing rings, one nestled inside the other like a bull's-eye pattern. The double-ring pattern is ...


Sterile neutrinos and the search for warm dark matter

Sterile neutrinos and the search for warm dark matter

Physics / General Physics

created Sep 01, 2006 | popularity 4.3 / 5 (54) | comments 0

Matteo Viel, a research fellow at the Institute of Astronomy in Cambridge, England, believes that particle physics and cosmology could be more compatible as scientists work toward understanding the origins ...


Discovery Reveals that Distant Quasars Live in Massive Dark-Matter Halos

Discovery Reveals that Distant Quasars Live in Massive Dark-Matter Halos

Space & Earth / Astronomy

created Feb 22, 2007 | popularity 4.2 / 5 (30) | comments 0

The discovery of dark-matter halos surrounding clusters of quasars that are over 10-billion light years away from Earth has been announced by an international research team of the Sloan Digital Sky Survey (SDSS).


Colors of Quasars Reveal a Dusty Universe

Space & Earth / Astronomy

created Feb 26, 2009 | popularity 4.8 / 5 (12) | comments 8

(PhysOrg.com) -- The vast expanses of intergalactic space appear to be filled with a haze of tiny, smoke-like "dust" particles that dim the light from distant objects and subtly change their colors, according to a team of ...


Cosmic archaeology: Astrophysicists use new spectrographs to look far back into the history of the universe

Cosmic archaeology: Astrophysicists use new spectrographs to look far back into the history of the universe

Space & Earth / Astronomy

created Oct 13, 2009 | popularity 3.9 / 5 (11) | comments 2

(PhysOrg.com) -- The distant past of the universe is moving closer. Astronomers are using special spectrographs to investigate galaxies in the depths of the universe as part of the Sloan Digital Sky Survey ...