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Keyword: stringtheory

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  • Spanish Woman Claims She Now Owns Sun (didnt buy Uranus)

    11/26/2010 6:27:02 PM PST · by max americana · 53 replies
    AFP/FOX NEWS ^ | nov 26, 2010 | afp
    (AFP) - After billions of years the Sun finally has an owner -- a woman from Spain's soggy region of Galicia said Friday she had registered the star at a local notary public as being her property. Angeles Duran, 49, told the online edition of daily El Mundo she took the step in September after reading about an American man who had registered himself as the owner of the moon and most planets in our solar system. There is an international agreement which states that no country may claim ownership of a planet or star, but it says nothing about...
  • Dark energy and flat Universe exposed by simple method

    11/24/2010 12:52:49 PM PST · by NormsRevenge · 39 replies
    BBC News ^ | 11/24/10 | BBC
    Researchers have developed a simple technique that adds evidence to the theory that the Universe is flat. Moreover, the method - developed by revisiting a 30-year-old idea - confirms that "dark energy" makes up nearly three-quarters of the Universe. The research, published in Nature, uses existing data and relies on fewer assumptions than current approaches. Author Christian Marinoni says the idea turns estimating the Universe's shape into "primary school" geometry. While the idea of the Earth being flat preoccupied explorers centuries ago, the question of whether the Universe itself is flat remains a debatable topic. The degree to which the...
  • Brian Marsden dies at 73; astronomer who tracked comets and asteroids

    11/20/2010 7:53:58 PM PST · by LibWhacker · 9 replies
    LATimes ^ | 11/20/10 | Thomas H. Maugh
    Astronomer Brian G. Marsden, a comet and asteroid tracker who stood sentinel to protect the Earth from collisions with interplanetary rocks and other remnants of the solar system's creation, died Thursday of cancer at Lahey Clinic Medical Center in Burlington, Mass. He was 73. Director emeritus of the Minor Planet Center at the Harvard-Smithsonian Center for Astrophysics in Cambridge, Mass., Marsden was perhaps best known for his 1998 announcement that an asteroid known as 1997 XF11 might strike the Earth in 2028, causing untold damage. The announcement sparked additional studies which quickly showed that such an impact was unlikely. Marsden,...
  • 'Lifters' may change the world the way Segway didn't

    05/13/2002 8:09:32 AM PDT · by mhking · 37 replies · 2,207+ views
    Wired News ^ | 5.11.02 | Michelle Delio
    <p>Antigravitational devices developed by a computer geek could eventually change the world as we know it.</p> <p>Or they may just blow a few holes into some barn roofs.</p> <p>The devices are known as "lifters." When charged with a small amount of electrical power, they levitate, apparently able to resist Earth's gravitational forces.</p>
  • Have we found the universe that existed before the Big Bang?

    11/20/2010 10:05:12 PM PST · by LibWhacker · 136 replies · 1+ views
    io9 ^ | 11/19/10
    Have we found the universe that existed before the Big Bang? The current cosmological consensus is that the universe began 13.7 billion years ago with the Big Bang. But a legendary physicist says he's found the first evidence of an eternal, cyclic cosmos. The Big Bang model holds that everything that now comprises the universe was once concentrated in a single point of near-infinite density. Before this singularity exploded and the universe began, there was absolutely nothing - indeed, it's not clear whether one can even use the term "before" in reference to a pre-Big-Bang cosmos, as time itself may...
  • Proof of extra dimensions possible next year: CERN

    11/16/2010 5:24:57 PM PST · by Tolerance Sucks Rocks · 42 replies
    Reuters ^ | November 15, 2010 | Reuters
    (Reuters) - Scientists at the CERN research center say their "Big Bang" project is going beyond all expectations and the first proof of the existence of dimensions beyond the known four could emerge next year. In surveys of results of nearly 8 months of experiments in their Large Hadron Collider (LHC), they also say they may be able to determine by the end of 2011 whether the mystery Higgs particle, or boson, exists. Guido Tonelli, spokesman for one of the CERN specialist teams monitoring operations in the vast, subterranean LHC, said probing for extra dimensions -- besides length, breadth, height...
  • Antimatter atom trapped for first time, say scientists

    11/17/2010 2:08:43 PM PST · by NormsRevenge · 47 replies
    BBC News ^ | 11/17/10 | Jason Palmer
    Antimatter atoms have been trapped for the first time, scientists say. Researchers at Cern, home of the Large Hadron Collider, have held 38 antihydrogen atoms in place, each for a fraction of a second. Antihydrogen has been produced before but it was instantly destroyed when it encountered normal matter. The team, reporting in Nature, says the ability to study such antimatter atoms will allow previously impossible tests of fundamental tenets of physics. The current "standard model" of physics holds that each particle - protons, electrons, neutrons and a zoo of more exotic particles - has its mirror image antiparticle. The...
  • A Costly Quest for the Dark Heart of the Cosmos

    11/17/2010 11:44:54 AM PST · by LibWhacker · 2 replies
    NYTimes ^ | 11/16/10 | Dennis Overbye
    After 16 years and $1.5 billion of other people’s money, it is almost showtime for NASA and Sam Ting. Sitting and being fussed over by technicians in a clean room at the Kennedy Space Center in preparation for a February launching — and looking for all the world like a giant corrugated rain barrel — is an eight-ton assemblage of magnets, wires, iron, aluminum, silicon and electronics that is one of the most ambitious and complicated experiments ever to set out for space. The experiment, if it succeeds, could help NASA take a giant step toward answering the question of...
  • Allan Sandage, Astronomer, Dies at 84; Charted Cosmos’s Age and Expansion

    11/17/2010 11:52:07 AM PST · by LibWhacker · 9 replies
    NYTimes ^ | 11/17/10 | Dennis Overbye
    Allan R. Sandage, who spent his life measuring the universe, becoming the most influential astronomer of his generation, died Saturday at his home in San Gabriel, Calif. He was 84. The cause was pancreatic cancer, according to an announcement by the Carnegie Observatories, where he had spent his whole professional career. Over more than six decades, Dr. Sandage was like one of those giant galaxies that sit at the center of a cluster of galaxies, dominating cosmic weather. He wrote more than 500 papers, ranging across the cosmos, covering the evolution and behavior of stars, the birth of the Milky...
  • Neutron stars may be too weak to power some gamma-ray bursts

    11/16/2010 5:58:57 AM PST · by decimon · 22 replies
    Science Centric ^ | November 3, 2010 | Unknown
    A gamma-ray burst is an immensely powerful blast of high-energy light thought to be generated by a collapsing star in a distant galaxy, but what this collapse leaves behind has been a matter of debate. A new analysis of four extremely bright bursts observed by NASA's Fermi satellite suggests that the remnant from a long-duration gamma-ray burst is most likely a black hole - not a rapidly spinning, highly magnetised neutron star, or magnetar since such a burst emits more energy than is theoretically possible from a magnetar. 'Some of the events we have been finding seem to be pushing...
  • 8 Shocking Things We Learned from Stephen Hawking's Book (The Grand Design)

    11/12/2010 1:18:50 PM PST · by Diana in Wisconsin · 82 replies
    Mother Nature Network ^ | November 4, 2010 | Live Science
    From the idea that our universe is one among many, to the revelation that mathematician Pythagoras didn't actually invent the Pythagorean theorem, here are eight shocking things we learned from reading physicist Stephen Hawking's new book, "The Grand Design," written with fellow physicist Leonard Mlodinow of Caltech. This book, covering major questions about the nature and origin of the universe, was released Sept. 7 by its publisher, Bantam. 1. The past is possibility According to Hawking and Mlodinow, one consequence of the theory of quantum mechanics is that events in the past that were not directly observed did not happen...
  • Chinese Lab Creates Artificial Black Hole

    11/11/2010 7:37:19 PM PST · by TigerLikesRooster · 58 replies
    Softpedia ^ | 10/14/10 | Tudor Vieru
    Chinese Lab Creates Artificial Black Hole October 14th, 2009, 12:48 GMT| By Tudor Vieru Far from being the only ones attempting to create an artificial black hole, Chinese researchers recently announced that they were able to produce the first artificial black hole for microwaves. If light in this energy spectrum enters the construct, it can no longer leave it, the team reports. Its accomplishment was made possible through the use of metamaterials, the same components that form the basis for invisibility cloaks and other optoelectronic devices, Technology Review reports. In charge of the Chinese team were scientists Qiang Cheng and...
  • NASA Announces Televised Chandra News Conference

    11/10/2010 6:23:26 PM PST · by The Comedian · 66 replies
    NASA ^ | Nov. 10, 2010 | Trent Perrotto
    MEDIA ADVISORY : M10-157 NASA Announces Televised Chandra News Conference WASHINGTON -- NASA will hold a news conference at 12:30 p.m. EST on Monday, Nov. 15, to discuss the Chandra X-ray Observatory's discovery of an exceptional object in our cosmic neighborhood. The news conference will originate from NASA Headquarters' television studio, 300 E St. SW in Washington and carried live on NASA TV. Media representatives may attend the conference, join by phone or ask questions from participating NASA locations. To RSVP or obtain dial-in information, journalists must send their name, affiliation and telephone number to Trent Perrotto at: trent.j.perrotto@nasa.gov by...
  • Giant space bubbles baffle astronomers

    11/11/2010 5:43:33 AM PST · by Red Badger · 48 replies
    www.telegraph.co.uk ^ | Thursday 11 November 2010 | Staff
    The two vast structures, stretching to the north and to the south of the centre of the Milky Way, are so big that a beam of light, travelling at 186,282 miles per second, would take 50,000 years to get from the edge of one to the edge of the other. The previously unseen bubbles were discovered by astronomer Doug Finkbeiner, of the Harvard-Smithsonian Center for Astrophysics in Cambridge, Massachusetts, using NASA's Fermi Gamma-Ray Telescope. He admitted yesterday: "We don't fully understand their nature or origin." They span more than half the visible sky, from the constellation of Virgo to the...
  • Massive gamma ray bubbles discovered in galaxy center

    11/09/2010 5:57:02 PM PST · by NormsRevenge · 28 replies
    AFP on Yahoo ^ | 11/9/10 | AFP
    WASHINGTON (AFP) – Two huge, unexplained gamma ray emitting bubbles have been discovered at the center of the Milky Way galaxy, US astronomers said Tuesday. Masked by a fog of gamma rays that appears throughout the sky, the bubbles form a feature spanning 50,000 light-years and could be the remnant of a supersized black hole eruption or the outflows from a burst of star formation, the astronomers said. The structure spans more than half of the visible sky, from the constellation Virgo to the constellation Grus, and it may be millions of years old, the astronomers said in a paper...
  • Is Precognition Real? Cornell University Lab Releases Powerful New Evidence

    11/08/2010 8:33:23 AM PST · by The Comedian · 110 replies
    H+ ^ | November 4, 2010 | Ben Goertzel
    Is Precognition Real? Cornell University Lab Releases Powerful New Evidence that the Human Mind can Perceive the Future Written By: Ben Goertzel Date Published: November 4, 2010 According to today’s conventional scientific wisdom, time flows strictly forward — from the past to the future through the present. We can remember the past, and we can predict the future based on the past (albeit imperfectly) — but we can’t perceive the future. But if the recent data from the lab of Prof. Daryl Bem at Cornell University is correct, conventional scientific wisdom may need some corrections on this particular point. In...
  • Scientists collide lead ions in Big Bang machine

    11/08/2010 1:35:12 PM PST · by markomalley · 16 replies
    AP ^ | 11/8/2010 | FRANK JORDANS
    GENEVA – Scientists at the world's largest atom smasher said Monday they have succeeded in recreating conditions shortly after the Big Bang by switching the particles they use for collisions from protons to much heavier lead ions. The Large Hadron Collider recorded its first lead ion collisions on Sunday and has since stabilized the twin beams sufficiently to start running physics experiments, said a spokeswoman for the European Organization for Nuclear Research, or CERN. The collisions produce an effect that is as close as researchers have ever come to observing the state of matter moments after the formation of the...
  • New *Supernova* Lights Up Leo...

    11/07/2010 5:54:06 PM PST · by TaraP · 62 replies · 2+ views
    Universe Today | Nov 7th, 2010
    A new supernova? Darn right. Lighting up Leo? Well… not without some serious visual aid, but the fact that someone out there is watching and has invited us along for the ride is mighty important. And just who might that someone be? None other than Tim Puckett. Less than 24 hours ago, the American Association of Variable Star Observer’s Report #222 stated: “Bright Supernova in UGC 5189A: SN 2010jl November 5, 2010 We have been informed by Tim Puckett and by the Central Bureau for Astronomical Telegrams (CBET 2532, Daniel W. E. Green, Ed.) of the discovery of a bright...
  • Is the Universe a Big Hologram? This Device Could Find Out

    11/06/2010 6:09:36 PM PDT · by GiovannaNicoletta · 125 replies
    The Christian Science Monitor ^ | October 25, 2010 | Ian O'Neill
    During the hunt for the predicted ripples in space-time — known as gravitational waves — physicists stumbled across a rather puzzling phenomenon. Last year, I reported about the findings of scientists using the GEO600 experiment in Germany. Although the hi-tech piece of kit hadn’t turned up evidence for the gravitational waves it was seeking, it did turn up a lot of noise. snip As it turns out, Hogan thinks that noise at these scales are caused by a holographic projection from the horizon of our universe.
  • Physicists Discover "Violation of a Fundamental Symmetry of the Universe"

    11/04/2010 12:31:54 PM PDT · by lbryce · 110 replies · 1+ views
    i09.com ^ | November 3, 2010 | Staff
    Today physicists announced that they may have found the key to explaining dark matter in the universe. It all has to do with the potential discovery of a "sterile neutrino." According to a release about the new study: Neutrinos are neutral elementary particles born in the radioactive decay of other particles. The known "flavors" of neutrinos are the neutral counterparts of electrons and their heavier cousins, muons and taus. Regardless of a neutrino's original flavor, the particles constantly flip from one type to another in a phenomenon called "neutrino flavor oscillation." An electron neutrino might become a muon neutrino, and...