News tagged with background
Physicists search for new physics in primordial quantum fluctuations
(PhysOrg.com) -- Inflation, the brief period that occurred less than a second after the Big Bang, is nearly as difficult to fathom as the Big Bang itself. Physicists calculate that inflation lasted for just ...
Mar 26, 2012 |
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Researchers take first steps toward X-ray superfluorescence
(PhysOrg.com) -- While physicist Robert Dicke is probably most famous for his work on the cosmic microwave background (CMB) – and being "scooped" while attempting to be the first to detect it – he ...
Nov 14, 2011 |
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Detection of cosmic effect may bring universe's formation into sharper focus
(PhysOrg.com) -- The first observation of a cosmic effect theorized 40 years ago could provide astronomers with a more precise tool for understanding the forces behind the universe's formation and growth, ...
Mar 20, 2012 |
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Faraway Eris is Pluto's twin: Dwarf planet sized up accurately as it blocks light of faint star
(PhysOrg.com) -- Astronomers have measured the diameter of the dwarf planet Eris by catching it as it passed in front of a faint star. This was seen by telescopes in Chile, including the TRAPPIST telescope ...
Oct 26, 2011 |
4.9 / 5 (15) |
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Scientists model physics of a key dark-energy probe
Ohio State University researchers are leveraging powerful supercomputers to investigate one of the key observational probes of "dark energy," the mysterious energy form that is causing the expansion of the ...
Jul 12, 2011 |
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Stanford computer scientists find Internet security flaw
(PhysOrg.com) -- Researchers at the Stanford Security Laboratory create a computer program to defeat audio captchas on website account registration forms, revealing a design flaw that leaves them vulnerable ...
Technology / Computer Sciences
May 24, 2011 |
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Another universe tugging on ours? Maybe not, researchers say
(PhysOrg.com) -- A new study from the University at Buffalo contradicts the dark flow theory, showing that exploding stars in different parts of the universe do not appear to be moving in sync. Working with ...
Apr 14, 2011 |
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Suzaku shows clearest picture yet of Perseus Galaxy Cluster
(PhysOrg.com) -- X-ray observations made by the Suzaku observatory provide the clearest picture to date of the size, mass and chemical content of a nearby cluster of galaxies. The study also provides the first ...
Mar 24, 2011 |
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Scientists find first evidence that many universes exist
(PhysOrg.com) -- By looking far out into space and observing what’s going on there, scientists have been led to theorize that it all started with a Big Bang, immediately followed by a brief period of ...
Dec 17, 2010 |
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Astronomers use moon in effort to corral elusive cosmic particles
(PhysOrg.com) -- Seeking to detect mysterious, ultra-high-energy neutrinos from distant regions of space, a team of astronomers used the Moon as part of an innovative telescope system for the search. Their ...
Nov 30, 2010 |
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Scientists glimpse universe before the Big Bang
(PhysOrg.com) -- In general, asking what happened before the Big Bang is not really considered a science question. According to Big Bang theory, time did not even exist before this point roughly 13.7 billion ...
Nov 23, 2010 |
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Bland-tasting food? It could be the background noise
(PhysOrg.com) -- Air travelers have long complained of the blandness of airline food, but new research suggests the aircraft noise may be the problem rather than the chefs or the menu.
Oct 15, 2010 |
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Planck detects new supercluster of galaxies
Surveying the microwave sky, Planck has obtained its very first images of galaxy clusters, amongst the largest objects in the Universe, by means of the Sunyaev-Zel'dovich effect, a characteristic signature ...
Sep 16, 2010 |
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Ripples in the cosmic background
(PhysOrg.com) -- The universe was created 13.73 billion years ago in a blaze of light -- the big bang. We also think that, about 380,000 years later, after matter (mostly hydrogen atoms) had cooled enough ...
Sep 07, 2010 |
4.6 / 5 (21) |
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Multifunctional nanoparticle enables new type of biological imaging
Spotting a single cancerous cell that has broken free from a tumor and is traveling through the bloodstream to colonize a new organ might seem like finding a needle in a haystack. But a new imaging technique ...
Nanotechnology / Bio & Medicine
Jul 27, 2010 |
5 / 5 (6) |
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