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Keyword: stringtheory

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  • Got mass? Scientists observe electrons become both heavy and speedy

    06/20/2012 10:08:53 AM PDT · by Kevmo · 39 replies
    Phys Org ^ | June 13, 2012 | Phys Org
    Got mass? Scientists observe electrons become both heavy and speedy Electrons moving in certain solids can behave as if they are a thousand times more massive than free electrons, but at the same time act as superconductors. A new study led by Princeton scientists shows that this happens because of a process known as quantum entanglement that determines the mass of electrons moving in a crystal. The discovery can help improve understanding of how certain materials become superconducting, which may have applications in areas such as power network efficiency and computing speed. Credit: the Yazdani Group A Princeton University-led team...
  • Happy Birthday Nikola Tesla

    07/06/2006 7:02:41 PM PDT · by eleni121 · 168 replies · 2,380+ views
    NikolaTesla Memorial Society ^ | July 6, 2006 | Me
    The Nikola Tesla Monument within Queen Victoria Park, Niagara Falls (Canadian Side) will be unveiled on July 9, 2006 at 12 noon celebrating the 150th birthday of Nikola Tesla.
  • Is Dark Matter a Glimpse of a Deeper Level of Reality?

    06/13/2012 11:11:54 AM PDT · by LibWhacker · 90 replies
    Scientific American ^ | 6/11/12 | George Musser
    Two years ago several of my Sci Am colleagues and I had an intense email exchange over a period of weeks, trying to figure out what to make of a new paper by string theorist Erik Verlinde. I don’t think I’ve ever been so flummoxed by physicists’ reactions to a paper. Mathematically it could hardly have been simpler—the level of middle-school algebra for the most part. Logically and physically, it was a head-hurter. I couldn’t decide whether it was profound or trite. The theorists we consulted said they couldn’t follow it, which we took as a polite way of saying...
  • Einstein Avenged: Neutrinos Bow to Light Speed Laws ("E=MC2, Dammit!")

    06/08/2012 8:33:17 PM PDT · by presidio9 · 107 replies
    TechNewsWorld ^ | 06/08/12 | Richard Adhikari
    Eight months after the multinational Opera research team caused an uproar among physicists with its findings that some neutrinos appeared to travel faster than light, its findings have been officially refuted. CERN, the European Organization for Nuclear Research, on Friday said that four experiments have found that neutrinos actually travel no faster than the speed of light. Opera's original measurements can be attributed to a faulty element of its experiment's fiber optic timing system, CERN said. The findings were announced at the 25th International Conference on Neutrino Physics and Astrophysics in Kyoto, Japan, by CERN research director Sergio Bertolucci. Life...
  • Freeman Dyson: Science on the Rampage

    05/09/2012 10:28:59 AM PDT · by neverdem · 37 replies
    New York Review of Books ^ | April 5, 2012 | Freeman Dyson
    Physics on the Fringe: Smoke Rings, Circlons, and Alternative Theories of Everything by Margaret Wertheim Walker, 323 pp., $27.00                                                   Pierpont Morgan Library/Art Resource An engraving by William Blake from The Song of Los, 1795 Physics on the Fringe describes work done by amateurs, people rejected by the academic establishment and rejecting orthodox academic beliefs. They are often self-taught and ignorant of higher mathematics. Mathematics is the language spoken by the professionals. The amateurs offer an...
  • Chinese Physicists Teleport Photons Over 100 Kilometers

    05/12/2012 7:52:50 PM PDT · by Innovative · 59 replies
    Popular Science ^ | May 11, 2012 | Dan Nosowitz
    Teleportation, sci-fi-y as it sounds, is actually not fictional or even new; two years ago, Chinese physicists broke the then-current record for quantum teleportation by teleporting photons over 10 miles. But a new effort from that same team demolishes that record, beaming the photons over 97 kilometers. The physicists, working from the University of Science and Technology of China in Shanghai, have again taken advantage of quantum entanglement for the purposes of moving an object from one place to another without ever moving in the space between. According to Technology Review, "The idea is not that the physical object is...
  • Every Black Hole Contains a New Universe: A physicist presents a solution to present-day cosmic..

    06/04/2012 1:01:23 AM PDT · by LibWhacker · 43 replies
    Inside Science ^ | 5/17/12 | Nikodem Poplawski
    Inside Science Minds presents an ongoing series of guest columnists and personal perspectives presented by scientists, engineers, mathematicians, and others in the science community showcasing some of the most interesting ideas in science today.(ISM) -- Our universe may exist inside a black hole. This may sound strange, but it could actually be the best explanation of how the universe began, and what we observe today. It's a theory that has been explored over the past few decades by a small group of physicists including myself. Successful as it is, there are notable unsolved questions with the standard big bang theory,...
  • Universe has more hydrogen than we thought (Undark’ matter hidden in plain view)

    06/02/2012 11:45:49 AM PDT · by Ernest_at_the_Beach · 26 replies
    The Register ^ | 31st May 2012 23:59 GMT | Richard Chirgwin
    A re-analysis of radio telescope observations from three countries has yielded a surprising result: nearby galaxies harbour one-third more hydrogen than had previously been estimated. While nothing like enough matter to solve physics’ “dark matter” problem, the work by CSIRO astronomer Dr Robert Braun (chief scientist at the agency’s Astronomy and Space Science division in Sydney) also helps explain why the rate of star formation has slowed down. While there’s more hydrogen than astronomers had thought, its distribution makes star formation more difficult. Andromeda – the galaxy headed for a catastrophic collision with our own in about four billion years...
  • Egyptian Teenager Invents New Space Propulsion System Based On Quantum Physics

    05/30/2012 9:27:05 AM PDT · by Altariel · 42 replies
    Gizmodo ^ | May 29, 2012 | Mario Aguilar
    Precocious young physicist Aisha Mustafa just patented a new system that could propel spacecrafts to the final frontier without using a drop of fuel. In short her system taps one of the odder facets of quantum theory, which posits that space isn't really a vacuum. It's really filled with particles and anti-particles that exist for infinitesimally small periods of time before destroying each other. Mustafa thinks she can harness them to create propulsion, resulting in space craft that need little-to-no fuel to maneuver around in space. Fast Company reports: Mustafa invented a way of tapping this quantum effect via what's...
  • Landmark calculation clears the way to answering how matter is formed

    05/28/2012 12:11:23 PM PDT · by Ernest_at_the_Beach · 21 replies
    phys.org ^ | May 25, 2012 | Cindy Weiss
    May 25, 2012 By Cindy Weiss EnlargeThomas C. Blum, Associate Professor, Physics. Credit: Daniel Buttrey/UConn (Phys.org) -- An international collaboration of scientists, including Thomas Blum, associate professor of physics, is reporting in landmark detail the decay process of a subatomic particle called a kaon – information that may help answer fundamental questions about how the universe began. Ads by GoogleSix Sigma — Black Belt - Get Trained & Six Sigma Certified. Flexible, Top Program 100% online. - www.VillanovaU.com/SixSigmaThe research, reported online in the March 30, 2012 Physical Review Letters, used breakthrough techniques on some of the world’s fastest supercomputers to...
  • Big Blue supers crunch kaon decay

    05/28/2012 8:00:37 AM PDT · by Ernest_at_the_Beach · 28 replies
    The Register ^ | 28th May 2012 00:14 GMT | Richard Chirgwin
    Looking at the fundamental properties of matter can take some serious computing grunt. Take the calculation needed to help understand kaon decay – a subatomic particle interaction that helps explain why the universe is made of matter rather than anti-matter: it soaked up 54 million processor hours on Argonne National Laboratory’s BlueGene/P supercomputer near Chicago, along with time on Columbia University’s QCDOC machine, Fermi National Lab’s USQCD (the US Center for Quantum Chromo-Dynamic) Ds cluster, and the UK’s Iridis cluster at the University of Southampton and the DIRAC facility. The reason so much iron was needed: the kaon decay spans...
  • Symphony of science: The Quantum World

    05/27/2012 9:45:37 PM PDT · by Windflier · 46 replies
    YouTube ^ | September 2011 | John D Boswell
    A musical investigation into the nature of atoms and subatomic particles, the jiggly things that make up everything we see. Featuring Morgan Freeman, Stephen Hawking, Michio Kaku, Brian Cox, Richard Feynman, and Frank Close. "The Quantum World" is the eleventh installment in the ongoing Symphony of Science music video series. Track back to source website: Symphony of Science
  • Engineer: Star Trek’s Enterprise ship could be built in 20 years at a cost of $1 trillion

    05/18/2012 12:30:28 PM PDT · by Kartographer · 118 replies
    Yahoo News-YTech ^ | 5/18/12 | Tecca
    Whether you're a Trekkie or not, you have to admit that there's some sense of wonder toexploring the stars and trying to find life on distant planets. Of course, the U.S.S. Enterprise is a fictional ship, but have you ever put in the thought as to what it would take to actually build it, and when we could get it done if we really put in the effort? The man behind the well-researched site buildtheenterprise.org has, and he's determined that a fully functional Enterprise is only 20 years away if we put in the effort.
  • Will and Norm Visit the Reed Research Reactor (VIDEO)

    05/14/2012 3:35:59 PM PDT · by matt04 · 1 replies
    Tested takes a trip to Reed College in Portland, Oregon. This isn't just where Steve Jobs went to school, it's the home of the Reed Research Reactor, the only nuclear reactor in the world that's operated by undergraduate students. We learn how the reactor works and get a demonstration in sample irradiation. It's real science!
  • Science and the Republican Brain

    04/30/2012 2:21:50 PM PDT · by neverdem · 47 replies
    The American Magazine ^ | April 30, 2012 | Lee Harris
    The so-called Republican brain, with its deep resistance to yielding before mere scientific evidence, has played an indispensable role in the making of modern science, long before the emergence of the Grand Old Party. A new term of political opprobrium has been loosed upon the world: anti-science. Like many terms of abuse, it is easier to convey its meaning by an illustration than by a rigorous definition. For example, “If those damn Republicans weren’t so anti-science, we might have a chance of dealing with global warming.” Here’s another example: “Those damn Republicans are so anti-science that they want to see...
  • Astronomy Picture of the Day -- Higgs Boson Explained by Cartoon

    05/01/2012 2:52:08 PM PDT · by SunkenCiv · 20 replies
    NASA ^ | May 01, 2012 | (see photo credit)
    Explanation: What is all this fuss about the Higgs boson? The physics community is abuzz that a fundamental particle expected by the largely successful Standard Model of particle physics may soon be found by the huge Large Hadron Collider (LHC) at CERN in Europe. The term boson refers to a type of fundamental particle with similarities to the photon, while Higgs refers to Peter Higgs, a physicist who among others published research predicting the mechanism through which such a particle might act. The above animated cartoon explains in humorous but impressive detail why the Higgs boson is expected, and one...
  • Session 463 Advanced Concepts: LENR, Anti-Matter, and New Physics

    04/20/2012 7:01:42 AM PDT · by Wonder Warthog · 14 replies
    Cold Fusion Now ^ | April 17, 2012 | Ruby Carat
    On Friday, March 23 I attended Session 462 Advanced Concepts: LENR, Anti-Matter, and New Physics of the Nuclear and Emerging Technologies for Space conference, one day after speaking with George H. Miley who would be presenting A Game-Changing Power Source for Spacecraft at the session. Part 1 of event was an account of my talk with Professor Miley. Part 2 continues with this paraphrase of the four talks included in Session 462. Unable to obtain video of the event, an audio recording formed the basis of this summary. ...................... “What happens is really intriguing here with this palladium-rich nano-particle run....
  • For the First Time, Electrons are Observed Splitting into Smaller Quasi-Particles

    04/20/2012 6:56:50 AM PDT · by zeugma · 25 replies
    Popular Science ^ | 04.19.2012 | Clay Dillow
    For the First Time, Electrons are Observed Splitting into Smaller Quasi-Particles   We generally think of electrons as fundamental building blocks of atoms, elementary subatomic particles with no smaller components to speak of. But according to Swiss and German researchers reporting in Nature this week, we are wrong to think so. For the first time, the researchers have recorded an observation of an electron splitting into two different quasi-particles, each taking different characteristics of the original electron with it. Using samples of the copper-oxide compound Sr2CuO3, the researchers lifted some of the electrons belonging to the copper atoms out of...
  • “Math Education: An Inconvenient Truth” Reaches 1,000,000 Views

    04/20/2012 4:27:02 PM PDT · by BruceDeitrickPrice · 56 replies
    YouTube.com ^ | April 20, 2012 | Bruce Deitrick Price
    Here’s some good news. M. J. McDermott’s wonderful video about why Americans don’t know math has exceeded 1,000,000 views. This is one of the best videos about education on the web. If you haven’t viewed it, please do. Running time is about 15 minutes. In this video, McDermott explains the flaws in so-called Reform Math, which was introduced to the country around 1985. Reform Math actually consists of more than a dozen separate but basically identical curricula. As fast as a community figures out that one of these things is bad, the so-called experts introduce another. These experts are diabolically...
  • Has Dark Matter Gone Missing?

    04/19/2012 9:54:03 PM PDT · by neverdem · 41 replies
    ScienceNOW ^ | 19 April 2012 | Adrian Cho
    Enlarge Image Home sweet home. In the vicinity of the sun, our Milky Way galaxy seems to contain no dark matter, one team of astronomers claims. Credit: Serge Brunier/NASA If a new study is true, then the search for dark matter just got a lot weirder. Our little corner of the Milky Way contains no observable concentration of the mysterious stuff whose gravity binds the galaxy, claims one team of astronomers. That finding would present a major problem for models of how galaxies form and may undermine the whole notion of dark matter, the researchers claim. But some scientists...