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Keyword: relativity

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  • Einstein's gravitational waves 'seen' from black holes

    02/11/2016 9:49:13 AM PST · by jpsb · 40 replies
    BBC ^ | Fed 11, 2016 | Pallab Ghosh
    Scientists are claiming a stunning discovery in their quest to fully understand gravity.
  • Gravitational wave rumors ripple through science world

    01/12/2016 9:00:15 PM PST · by BenLurkin · 87 replies
    spacedaily.com ^ | 01/12/2016
    There has been no announcement, no peer review or publication of the findings - all typically important steps in the process of releasing reliable and verifiable scientific research. Instead, a message on Twitter from an Arizona State University cosmologist, Lawrence Krauss, has sparked a firestorm of speculation and excitement. Krauss does not work with the Advanced Laser Interferometer Gravitational Wave Observatory, or LIGO, which is searching for ripples in the fabric of space and time. But he tweeted on Monday about the apparent shoring up of rumor he'd heard some months ago, that LIGO scientists were writing up a paper...
  • Gaza ENT Doctor Challenges Einstein's Relativity Theory, States: People in Gaza Have the...

    12/30/2015 4:42:15 PM PST · by DeoVindiceSicSemperTyrannis · 44 replies
    MEMRI TV ^ | 11/17/15
    In a recent interview, Gaza ENT doctor Muhammad Yahya Barzaq said that he had written a book refuting Einstein's Theory of Special Relativity. "Had Einstein deigned to read the discoveries of Christian Doppler, we would never have had something called the Einstein Theory," he said. Barzaq further said that he had come up with his invention of what he called a "cartridge plane" after replacing a cassette at the exact moment when an airplane was flying overhead. On the issue of Gaza he said that people there "deserve to live because they have the benefit and interest of humanity at...
  • What Are Quantum Gravity's Alternatives To String Theory?

    12/20/2015 8:13:09 AM PST · by MtnClimber · 14 replies
    Forbes/Science ^ | 17 Dec, 2015 | Ethan Siegel
    The Universe we know and love - with Einstein's General Relativity as our theory of gravity and quantum field theories of the other three forces - has a problem that we don't often talk about: it's incomplete, and we know it. Einstein's theory on its own is just fine, describing how matter-and-energy relate to the curvature of space-and-time. Quantum field theories on their own are fine as well, describing how particles interact and experience forces. Normally, the quantum field theory calculations are done in flat space, where spacetime isn't curved. We can do them in the curved space described by...
  • The Most Mind-Bending Fact I Learned in Physics

    11/19/2015 10:56:52 PM PST · by LibWhacker · 64 replies
    Real Clear Science ^ | 11/2015 | Tom Hartsfield
    Physics is built out of philosophically fascinating ideas. Or, at least, ideas that fascinate us as physicists. We are often moved to reverentially proclaim the beauty of various concepts and theories. Sometimes this beauty makes sense to other people (we're made of star stuff) and other times it's opaque (Frobenius manifolds in psuedo-Euclidean spaces). I have my own personal favorite idea. It arises from the philosophically fantastic (but mathematically moderate) workings of Einstein's relativity theory. The theory of special relativity holds that time and space are not separate entities, each operating on its own; rather they are intimately and inextricably...
  • Core Concept: Atom interferometry (May help scientists figure out what dark matter is, etc.)

    10/08/2015 6:26:20 PM PDT · by LibWhacker · 6 replies
    PNAS ^ | Oct 2015 | Maggie McKee
    Sometimes you have to think outside the box. Faced with some of the universe’s most stubborn mysteries, such as the identity of dark matter, physicists are turning to a technique that employs the weird laws of quantum mechanics: atom interferometry. Atom interferometers allow the study of various physical phenomena by splitting atom waves using a nanograting, such as this one. Composed of silicon nitride, this grating, imaged with a scanning electron microscope, has a period of 100 nm. Image courtesy of Alex Cronin (University of Arizona, Tucson, AZ). This method, which takes advantage of the fact that quantum particles behave...
  • ‘Beautiful Mind’ Mathematician John Nash Replaced Einstein’s Theory Of Relativity Days Before Death

    06/01/2015 12:19:56 AM PDT · by 2ndDivisionVet · 104 replies
    The Inquisitr News ^ | May 30, 2015 | Tara West
    John Forbes Nash Jr. was a mathematical genius who had his life chronicled in the movie A Beautiful Mind. One of Nash’s colleagues says that just days before he died in a New York taxi cab accident, he had discussed his latest and possibly most brilliant discovery to date. Mathematician Cédric Villan says that Nash told him that he had replaced Einstein’s Theory of Relativity and that the new equation would further explain quantum gravity. The Daily Mail reports that on May 20, 2015, just three days before the tax cab accident that would take his life, Nash spoke to...
  • Wormholes Untangle a Black Hole Paradox

    04/26/2015 10:30:30 AM PDT · by LibWhacker · 11 replies
    Quanta Magazine ^ | 4/24/15 | K.C. Cole
    Wormholes Untangle a Black Hole Paradox A bold new idea aims to link two famously discordant descriptions of nature. In doing so, it may also reveal how space-time owes its existence to the spooky connections of quantum information. By: K.C. ColeApril 24, 2015 Comments (19) One hundred years after Albert Einstein developed his general theory of relativity, physicists are still stuck with perhaps the biggest incompatibility problem in the universe. The smoothly warped space-time landscape that Einstein described is like a painting by Salvador Dalí — seamless, unbroken, geometric. But the quantum particles that occupy this space are more like...
  • Raytheon Engineers Reveal how Technology Will Detect Alien Spaceships

    03/29/2015 7:33:55 AM PDT · by BenLurkin · 41 replies
    inventorspot.com ^ | Paul Fitzgerald
    The duo suggests that alien-like ships traveling at relativistic speeds can easily intermingle with photons in the cosmic microwave background, which is dubbed CMB. This means that a spacecraft traveling at near light speed would leave a unique signature, and this means it would therefore be fully discoverable. Their research, which was just published in this month's MIT Technology Review, points out that the interaction with photons in the CMB “should create a drag that imposes specific limits on how fast spacecraft can travel.” And, “it should also produce a unique signature of relativistic spaceflight that ought to be visible...
  • In the quantum world, the future affects the past: Hindsight and foresight together...

    02/09/2015 1:48:40 PM PST · by LibWhacker · 32 replies
    Summary: In the quantum world, the future predicts the past. Playing a guessing game with a superconducting circuit called a qubit, a physicist has discovered a way to narrow the odds of correctly guessing the state of a two-state system. By combining information about the qubit's evolution after a target time with information about its evolution up to that time, the lab was able to narrow the odds from 50-50 to 90-10.We're so used to murder mysteries that we don't even notice how mystery authors play with time. Typically the murder occurs well before the midpoint of the book, but...
  • No Big Bang? Quantum equation predicts universe has no beginning

    02/09/2015 10:55:17 AM PST · by Red Badger · 100 replies
    Phys.Org ^ | 02/09/2015 | by Lisa Zyga
    (Phys.org) —The universe may have existed forever, according to a new model that applies quantum correction terms to complement Einstein's theory of general relativity. The model may also account for dark matter and dark energy, resolving multiple problems at once. The widely accepted age of the universe, as estimated by general relativity, is 13.8 billion years. In the beginning, everything in existence is thought to have occupied a single infinitely dense point, or singularity. Only after this point began to expand in a "Big Bang" did the universe officially begin. Although the Big Bang singularity arises directly and unavoidably from...
  • Mind Blowing… These 23 Unbelievable Facts Will DESTROY Your Understanding Of Time

    02/08/2015 4:22:05 PM PST · by gorush · 57 replies
    blindfold.com ^ | unknown | unknown
    Time has always perplexed the human race. We’ve tried to define it, track it, and measure it since the emergence of civilization. However, facts like these listed here show us how distorted our perception of time can be and how much we still need to learn about the fourth dimension.
  • Riding light -- the enormity of space makes even light seem slow (45 min video)

    02/01/2015 11:37:26 PM PST · by LibWhacker · 35 replies
    Vimeo ^ | 1/25/15 | Alphonse Swinehart
    ==> Click here <== to watch video. Riding Light from Alphonse Swinehart Plus 6 days ago All Audiences In our terrestrial view of things, the speed of light seems incredibly fast. But as soon as you view it against the vast distances of the universe, it's unfortunately very slow. This animation illustrates, in realtime, the journey of a photon of light emitted from the sun and traveling across a portion of the solar system. I've taken liberties with certain things like the alignment of planets and asteroids, but overall I've kept the size and distances of all the objects as...
  • Why wormholes (probably) don’t exist

    01/27/2015 2:09:07 AM PST · by LibWhacker · 24 replies
    Galileo's Pendulum ^ | 1/26/15 | Matthew Francis
    The test rig for the Dark Energy Camera (DECam) at Fermilab. I picked this image today because it kinda sorta looks like the wormhole-making machine from the film version of Contact. [Credit: moi]A lot of science fiction plot devices are devoted to getting around the speed of light. In the real Universe, nothing with mass can travel faster than light, which means we can’t travel to distant stars without taking decades, centuries, or longer in transit. So, sci-fi draws from teleportation, hyperdrive, warp drive, and the ultimate cosmic short-cut: wormholes.[1] In some cases, the source of a science fiction...
  • Entanglement Makes Quantum Particles Measurably Heavier, Says Quantum Theorist

    01/10/2015 12:41:17 AM PST · by LibWhacker · 11 replies
    medium.com | arXiv.org ^ | 12/12/14 | David Edward Bruschi (orig. paper)
    The discovery is a long sought-after link between the theories of quantum mechanics and general relativityThe two towering achievements of 20th century physics are Einstein’s theory of general relativity and quantum mechanics. Both have fundamentally changed the way we view the universe and our place within it. And yet they are utterly incompatible: quantum mechanics operates on the tiniest scales while relativity operates on the grandest of scales. Never the twain shall meet; although not for lack of trying on the part of several generations of theorists including Einstein himself. Now one theorist has shown that an exotic quantum effect...
  • Strange thrust: the unproven science that could propel our children into space

    11/25/2014 1:21:49 AM PST · by LibWhacker · 56 replies
    BoingBoing ^ | 11/24/14 | Charles Platt
    Strange thrust: the unproven science that could propel our children into space For many decades, a fantasy among space enthusiasts has been to invent a device that produces a net thrust in one direction, without any need for reaction mass. Of course, a reactionless space drive of this type is impossible. Or is it? By Charles Platt div#main-image {background-image:url('http://media.boingboing.net/wp-content/uploads/2014/11/Figure-6.jpg');} Ever since I was old enough to read science fiction, I've wanted to visit Mars. Even the Moon would be better than nothing. Alas, rocket technology is unlikely to take me there within my lifetime. The problem is that rockets are a...
  • Update on Podkletnov gravity modification work and rumors

    06/18/2014 1:36:15 AM PDT · by Renfield · 18 replies
    Next Big Future ^ | 5-14-2014 | Brian Wang
    American Antigravity interviewed Eugene Podkletnov to discuss recent (2004 to 2013) experimental antigravity research in gravity modification and superconductors. For nearly two decades Dr. Podkletnov has been researching the link between gravitation and high-temperature superconductors, and just recently published the peer-review results of new experiments he’s conducted to measure the speed of a force-beam projected by a stationary superconducting apparatus he’s developed. Podkletnov is well-known for his experiments involving YBCO superconductors, which produced a gravity-shielding effect that was investigated by NASA and has been the subject of many peer-review papers. He describes continuing his experiments in this area, and indicates...
  • Quantum steps towards the Big Bang

    09/03/2013 5:19:44 PM PDT · by LibWhacker · 27 replies
    A new approach to the unification of general theory of relativity and quantum theory Present-day physics cannot describe what happened in the Big Bang. Quantum theory and the theory of relativity fail in this almost infinitely dense and hot primal state of the universe. Only an all-encompassing theory of quantum gravity which unifies these two fundamental pillars of physics could provide an insight into how the universe began. Scientists from the Max Planck Institute for Gravitational Physics (Albert Einstein Institute) in Golm/Potsdam and the Perimeter Institute in Canada have made an important discovery along this route. According to their theory,...
  • Relativity behind mercury's liquidity

    06/24/2013 12:56:35 AM PDT · by neverdem · 19 replies
    Chemistry World ^ | 21 June 2013 | Laura Howes
    The effects of relativity can be seen in everyday phenomena © ShutterstockWhy is mercury a liquid at room temperature? If you ask that question in a school classroom you will probably be told that relativity affects the orbitals of heavy metals, contracting them and changing how they bond. However, the first evidence that this explanation is correct has only just been published.An international team led by Peter Schwerdtfeger of Massey University Auckland in New Zealand used quantum mechanics to make calculations of the heat capacity of the metal either including or excluding relativistic effects. They showed that if they...
  • CURSE you, EINSTEIN! Humanity still chained in relativistic PRISON

    04/26/2013 10:05:36 AM PDT · by Red Badger · 15 replies
    www.theregister.co.uk ^ | 04-26-2013 | By Lewis Page
    'Collapsar jump' from Forever War seemingly not on cards Disappointing news on the science wires today, as new research indicates that a possible means of subverting the laws of physics to allow interstellar travel apparently doesn't work. As we are told in a new paper just published in hefty boffinry mag Science: Neutron stars with masses above 1.8 solar masses possess extreme gravitational fields, which may give rise to phenomena outside general relativity. That would be quite handy, as one of the rules of general relativity is that nothing can travel faster than light: which means that journeys between the...
  • Astrophysics: Fire in the hole! (Black hole firewalls, relativity vs. quantum mechanics)

    04/05/2013 5:46:23 PM PDT · by LibWhacker · 24 replies
    Nature ^ | 4/3/13 | Zeeya Merali
    n March 2012, Joseph Polchinski began to contemplate suicide — at least in mathematical form. A string theorist at the Kavli Institute for Theoretical Physics in Santa Barbara, California, Polchinski was pondering what would happen to an astronaut who dived into a black hole. Obviously, he would die. But how? According to the then-accepted account, he wouldn’t feel anything special at first, even when his fall took him through the black hole’s event horizon: the invisible boundary beyond which nothing can escape. But eventually — after hours, days or even weeks if the black hole was big enough — he...
  • Is lightspeed really a limit?

    10/10/2012 10:41:01 AM PDT · by ShadowAce · 155 replies
    The Register ^ | 10 October 2012 | Richard Chirgwin
    We don’t (yet) have any way to test this, but University of Adelaide applied mathematicians are suggesting that an extended version of Einstein’s Theory of Special Relativity also holds true for velocities beyond lightspeed. One of the main predictions of Special Relativity is that the speed of light is treated as an absolute cosmic speed limit, the line which can never be crossed; and even the notorious “faster-than-light neutrino” incident in 2011 has left the theory intact as one of the most robust in physics. However, during the speculation that surrounded the neutrino discussion last year1, the University of Adelaide’s...
  • BREAKING NEWS: Error Undoes Faster-Than-Light Neutrino Results

    02/22/2012 2:21:19 PM PST · by Lonesome in Massachussets · 56 replies
    Science Insider ^ | 22 February 2012 | Edwin Cartlidge
    It appears that the faster-than-light neutrino results, announced last September by the OPERA collaboration in Italy, was due to a mistake after all. A bad connection between a GPS unit and a computer may be to blame. Physicists had detected neutrinos travelling from the CERN laboratory in Geneva to the Gran Sasso laboratory near L'Aquila that appeared to make the trip in about 60 nanoseconds less than light speed. Many other physicists suspected that the result was due to some kind of error, given that it seems at odds with Einstein's special theory of relativity, which says nothing can travel...
  • 1 clock with 2 times

    10/19/2011 4:45:47 PM PDT · by decimon · 13 replies
    University of Vienna ^ | October 19, 2011 | Unknown
    When quantum mechanics meets general relativityThe unification of quantum mechanics and Einstein's general relativity is one of the most exciting and still open questions in modern physics. General relativity, the joint theory of gravity, space and time gives predictions that become clearly evident on a cosmic scale of stars and galaxies. Quantum effects, on the other hand, are fragile and are typically observed on small scales, e.g. when considering single particles and atoms. That is why it is very hard to test the interplay between quantum mechanics and general relativity. Now theoretical physicists led by Prof. ÄŒaslav Brukner at the...
  • CERN scientists 'break the speed of light'

    09/22/2011 6:57:08 PM PDT · by danielmryan · 105 replies
    The Telegraph ^ | Sept. 22, 2011 | Uncredited
    Scientists said on Thursday they recorded particles travelling faster than light - a finding that could overturn one of Einstein's fundamental laws of the universe. Antonio Ereditato, spokesman for the international group of researchers, said that measurements taken over three years showed neutrinos pumped from CERN near Geneva to Gran Sasso in Italy had arrived 60 nanoseconds quicker than light would have done. "We have high confidence in our results. We have checked and rechecked for anything that could have distorted our measurements but we found nothing," he said. "We now want colleagues to check them independently."
  • Progress Toward the Dream of Space Drives and Stargates

    05/23/2011 5:02:27 PM PDT · by LibWhacker · 17 replies
    Centauri Dreams ^ | 5/23/11 | Paul Gilster
    Progress Toward the Dream of Space Drives and Stargates by Paul Gilster on May 23, 2011 by James F. WoodwardI first wrote about James Woodward’s work in my 2004 book Centauri Dreams: Imagining and Planning Interstellar Exploration, and have often been asked since to comment further on his research. But it’s best to leave that to the man himself, and I’m pleased to turn today’s post over to him. A bit of biography: Jim Woodward earned bachelor’s and master’s degrees in physics at Middlebury College and New York University (respectively) in the 1960s. From his undergraduate days, his chief...
  • 12-Year-Old Genius Expands Einstein's Theory of Relativity, Thinks He Can Prove It Wrong

    03/29/2011 3:09:31 PM PDT · by Free ThinkerNY · 57 replies
    Time Magazine ^ | March 29, 2011 | Michelle Castillo
    Could Einstein's Theory of Relativity be a few mathematical equations away from being disproved? Jacob Barnett of Hamilton County, Ind., who is just weeks shy of his 13th birthday, thinks so. And, he's got the solutions to prove it. Barnett, who has an IQ of 170, explained his expanded theory of relativity — in a YouTube video. His mother Kristine Barnett, who admittedly flunked math, did what every other mother would do if her genius son started talking mathematical gibberish. She told him to explain the whole thing slowly while she taped her son explaining his take on the theory....
  • Obama vs. Einstein

    02/07/2010 8:51:21 AM PST · by AJKauf · 19 replies · 1,004+ views
    Pajamas Media ^ | Feb. 7 | frank J. Tipler
    According to the Washington Post, David Axelrod, Barack Obama’s senior advisor, said that the president worked with “[Harvard professor] Laurence Tribe on a paper on the legal implications of Einstein’s theory of relativity.” I’ve read that paper, “The Curvature of Constitutional Space.” It’s complete nonsense. It shows no understanding of Einstein’s theory of relativity, or of the relationship between relativity theory and Newton’s theory. I — to use Obama’s favorite word — do understand relativity theory. I was trained in relativity theory by the best. I was the post-doc of the late Princeton professor John A. Wheeler, who was himself...
  • The 10 weirdest physics facts, from relativity to quantum physics

    11/12/2009 7:51:26 AM PST · by LibWhacker · 63 replies · 2,263+ views
    Telegraph ^ | 11/12/09 | Tom Chivers
    People who think science is dull are wrong. Here are 10 reasons why.Physics is weird. There is no denying that. Particles that don’t exist except as probabilities; time that changes according to how fast you’re moving; cats that are both alive and dead until you open a box. We’ve put together a collection of 10 of the strangest facts we can find, with the kind help of cosmologist and writer Marcus Chown, author of We Need To Talk About Kelvin, and an assortment of Twitter users. The humanities-graduate writer of this piece would like to stress that this is...
  • A Test for Exotic Propulsion?

    10/12/2009 1:33:28 PM PDT · by LibWhacker · 22 replies · 1,025+ views
    Centauri-Dreams ^ | 10/12/09 | Paul Gilster
    Can we calculate the gravitational field of a mass moving close to the speed of light? Franklin Felber (Starmark Inc) believes he can, with implications for propulsion. Back in 2006 we looked briefly at Felber’s work, describing what the physicist believes to be a repulsive gravitational field that emerges from his results. Felber discussed the matter at the Space Technology and Applications International meeting that year, where he presented his calculations of the ‘relativistically exact motion of a payload in the gravitational field of a source moving with constant velocity.’ Above a certain critical velocity, Felber believes, any mass...
  • God’s Mighty Expanse (ever wonder what the BIBLE says about COSMOLOGY?)

    02/25/2009 6:52:31 PM PST · by GodGunsGuts · 66 replies · 1,679+ views
    CMI ^ | 26 February 2009 | D. Russell Humphreys, Ph.D.
    God’s mighty expanse by D. Russell HumphreysPublished: 26 February 2009(GMT+10) Psalm 150:1, the first verse of the last psalm, contains a phrase that has always intrigued me: … Praise Him in his mighty expanse. (NAS), or… praise him in the firmament of his power. (KJV) God made the expanse (firmament) on the second day and called it “heavens” (Genesis 1:8, plural from literal Hebrew). Later, on the fourth day, He populated the expanse with the sun, moon and stars (Genesis 1:14-19). So the expanse is not the heavenly bodies, but rather the space that contains the heavenly bodies. Normally people...
  • Right Again, Einstein

    07/05/2008 5:49:29 PM PDT · by neverdem · 32 replies · 500+ views
    ScienceNOW Daily News ^ | 3 July 2008 | Phil Berardelli
    Enlarge ImageIt's relative. Astronomers have been measuring spin precession in an eclipsing pair of pulsars.Credit: Daniel Cantin/McGill University As if his reputation needed cementing, astronomers have confirmed Albert Einstein's status as a supergenius once more. Studying a unique pair of pulsars--small and extremely dense leftovers from supernova explosions--researchers have measured an effect that was predicted by Einstein's 92-year-old general theory of relativity. The result, they report tomorrow in Science, is almost exactly what the famous physicist had foreseen. In Einstein's relativistic universe, matter curves space and slows down time, and the speed of light remains the only constant. But...
  • Researchers examine Einstein's theories on the universe (He was right even when he was wrong!)

    11/28/2007 7:02:29 AM PST · by Red Badger · 30 replies · 70+ views
    www.physorg.com ^ | 11/26/2007 | Texas A&M University
    Einstein's self-proclaimed "biggest blunder" -- his postulation of a cosmological constant (a force that opposes gravity and keeps the universe from collapsing) -- may not be such a blunder after all, according to the research of an international team of scientists that includes two Texas A&M University researchers. The team is working on a project called ESSENCE that studies supernovae (exploding stars) to figure out if dark energy – the accelerating force of the universe – is consistent with Einstein’s cosmological constant. Texas A&M researchers Nicholas Suntzeff and Kevin Krisciunas are part of the project, which began in October of...
  • Laid-Back Surfer Dude May Be Next Einstein

    11/16/2007 2:43:16 PM PST · by Zakeet · 74 replies · 112+ views
    Fox News ^ | November 19, 2007
    A surfer dude with no fixed address may be this century's Einstein. A. Garrett Lisi, a physicist who divides his time between surfing in Maui and teaching snowboarding in Lake Tahoe, has come up with what may be the Grand Unified Theory. That's the "holy grail" of physics that scientists have been searching for ever since Albert Einstein presented his General Theory of Relativity nearly 100 years ago. Even more remarkable is that Lisi, who has a Ph.D. but no permanent university affiliation, solves the problem without resorting to exotic dimensions, string theory or exceptionally complex mathematics. A successful Grand...
  • Another Theory of Relativity

    11/06/2007 2:03:16 PM PST · by bs9021 · 9 replies · 77+ views
    Campus Report ^ | November 6, 2007 | Malcolm Kline
    Another Theory of Relativity by: Malcolm A. Kline, November 06, 2007 Relativists, beware. The professors who tell you that “Everything is relative” probably fail to relate how destructive an idea that is. In an interview with Hillsdale College’s Imprimis magazine, Supreme Court Justice Clarence Thomas noted “the connection between relativism, nihilism, and Naziism.” “The common idea that you can do whatever you want to do, because truth and morality are relative, leads to the idea that if you are powerful enough, you can kill people because of their race or faith,” Justice Thomas explains. “So ask your relativist friends sometime:...
  • 'We have broken speed of light'

    08/16/2007 10:15:43 AM PDT · by LibWhacker · 371 replies · 10,437+ views
    Telegraph ^ | 8/16/07 | Nick Fleming
    A pair of German physicists claim to have broken the speed of light - an achievement that would undermine our entire understanding of space and time. According to Einstein's special theory of relativity, it would require an infinite amount of energy to propel an object at more than 186,000 miles per second. However, Dr Gunter Nimtz and Dr Alfons Stahlhofen, of the University of Koblenz, say they may have breached a key tenet of that theory. The pair say they have conducted an experiment in which microwave photons - energetic packets of light - travelled "instantaneously" between a pair of...
  • How Do We Think About What Is Human? (C S Lewis views on humanist future)

    07/06/2007 1:19:54 AM PDT · by restornu · 2 replies · 440+ views
    BYU Forum ^ | (10/24/2006) | Jean Bethke Elshtain
    How Do We Think About What Is Human? A talk on C S Lewis view on the humanist future Tonight on O Riley was this video and the indifference this father had towards his Baby daughter I thought this observation of C S Lewis was chilling and we know in the News we are hearing more deprave interference taking place in the world in which we are living! To think these people get to vote and this is why it is important the Real America wakes up and votes in 2008! Landlord and teaching a baby to about stress and...
  • Space probe suggests Einstein was spot on, relatively

    04/15/2007 6:11:59 PM PDT · by bruinbirdman · 34 replies · 1,853+ views
    The Times ^ | 4/15/2007 | Jonathan Leake Science Editor
    AFTER more than 90 years, scientists believe they may have found experimental proof for general relativity, one of Albert Einstein’s greatest theories. Scientists announced yesterday that early results from Gravity Probe B (GP-B), the £400m space mission carrying the first experiments capable of testing the theory, suggested that Einstein was right. The researchers cautioned that they still had several months of work to confirm the result. However, the announcement, made at the annual meeting of the American Physical Society, is seen as highly significant. Since its launch by Nasa in April 2004, GP-B has been using four ultra-precise gyroscopes to...
  • Swedes trust Ikea more than the church

    11/28/2006 3:21:43 PM PST · by Antioch · 2 replies · 311+ views
    der spiegel ^ | November 23, 2006 | dsl/dpa
    What do Volvo, Ericsson, Saab and IKEA have in common? The people of Sweden have more faith in them than in the church. Perhaps the news shouldn't come as much of a surprise, coming as it does from a country best known for its meatballs and the bright blue and yellow warehouses selling cheap and cheerful furniture around the globe. Still, preacher men the world over must be reeling. A new poll taken of Swedes indicates that more people trust IKEA than the church in the largely Protestant country. According to the poll, taken by the business weekly Dagens Industri,...
  • General relativity survives gruelling pulsar test — Einstein at least 99.95 percent right

    09/15/2006 5:16:06 AM PDT · by Renfield · 11 replies · 677+ views
    Brightsurf.com ^ | 9-14-06 | Particle Physics & Astronomy Research Council
    September 14, 2006 - An international research team led by Prof. Michael Kramer of the University of Manchester’s Jodrell Bank Observatory, UK, has used three years of observations of the “double pulsar”, a unique pair of natural stellar clocks which they discovered in 2003, to prove that Einstein’s theory of general relativity–the theory of gravity that displaced Newton’s–is correct to within a staggering 0.05%. Their results are published on the14th September in the journal Science and are based on measurements of an effect called the Shapiro Delay. The double pulsar system, PSR J0737-3039A and B, is 2000 light-years away in...
  • General relativity survives gruelling pulsar test -- Einstein at least 99.95% right

    09/13/2006 10:57:52 AM PDT · by PatrickHenry · 97 replies · 1,782+ views
    EurekAlert (AAAS) ^ | 13 September 2006 | Staff
    An international research team led by Prof. Michael Kramer of the University of Manchester's Jodrell Bank Observatory, UK, has used three years of observations of the "double pulsar", a unique pair of natural stellar clocks which they discovered in 2003, to prove that Einstein's theory of general relativity - the theory of gravity that displaced Newton's - is correct to within a staggering 0.05%. Their results are published on the14th September in the journal Science and are based on measurements of an effect called the Shapiro Delay. The double pulsar system, PSR J0737-3039A and B, is 2000 light-years away in...
  • No black holes after all?

    08/22/2006 12:32:31 PM PDT · by NonLinear · 44 replies · 1,758+ views
    World Science ^ | Aug. 11, 2006 | World Science staff
    One of the brightest and furthest known objects in the universe might not be a black hole as traditionally believed, but rather an exotic new type of object, a new study suggests. (snip)
  • Breaking Through Conventional Scientific Paradigm

    07/16/2006 4:45:40 PM PDT · by walford · 76 replies · 2,530+ views
    The Epoch Times ^ | July 3, 2006 | Nataly Teplitsky, Ph.D.
      "Whoever undertakes to set himself up as a judge in the field of truth and knowledge is shipwrecked by the laughter of the Gods." —Albert Einstein  The general, historical dialogue between religion and science goes back a long way—at least to Plato, Aristotle, and Leibniz. Before the 17th century, the goals of science were wisdom, understanding the natural order, and living in harmony with it. Ever since the "quantum revolution" of about 70 years ago, various scientists have been finding the intriguing parallels between their results and certain mystical-transcendental religions. Heisenberg, Bohr, Schroedinger, Eddington, Einstein—all held a mystical, spiritual...
  • Inconstant Speed of Light May Debunk Einstein

    08/07/2002 12:53:40 PM PDT · by Darth Reagan · 38 replies · 1,661+ views
    Reuters (via Yahoo) ^ | August 7, 2002 | Michael Christie
    SYDNEY (Reuters) - A team of Australian scientists has proposed that the speed of light may not be a constant, a revolutionary idea that could unseat one of the most cherished laws of modern physics -- Einstein's theory of relativity. The team, led by theoretical physicist Paul Davies of Sydney's Macquarie University, say it is possible that the speed of light has slowed over billions of years. If so, physicists will have to rethink many of their basic ideas about the laws of the universe. "That means giving up the theory of relativity and E=mc squared and all that sort...
  • Is faster-than-light propagation allowed by the laws of physics? (a primer on Lorentzian relativity)

    05/17/2006 9:04:18 AM PDT · by SunkenCiv · 21 replies · 506+ views
    Meta Research ^ | May 1, 2006 | Tom Van Flandern
    The proof that faster-than-light (FTL) propagation is not allowed by nature is simple. Special relativity (SR) forbids it because, in that theory, time slows and approaches a cessation of flow for any material entity approaching the speed of light. So no matter how much energy is brought to bear, the entity cannot be propelled all the way to, much less beyond, the point where time ceases. The entity’s inertia simply increases towards infinity as the speed barrier is approached.[*] But most importantly, relativists are confident that SR is a valid theory because it has passed eleven independent experiments confirming most...
  • Testing Special Relativity and Newtonian Gravity

    04/27/2006 3:47:37 AM PDT · by PatrickHenry · 36 replies · 929+ views
    American Institute of Physics ^ | 26 April 2006 | Phil Schewe and Ben Stein
    Lorentz invariance says that the laws of physics are the same for an observer at rest on the Earth or one who is rotated through some angle or traveling at a constant speed relative to the observer at rest. Looking for a crack in the universe in the form of a very faint field pervading the Cosmos, one that exerts a force on electron spin, would mean the end of Lorentz invariance. An important ingredient in Einstein's theory of special relativity, Lorentz invariance has been borne out in numerous experiments. A new experiment conducted at the University of Washington, in...
  • Towards a new test of general relativity?

    03/25/2006 11:13:27 AM PST · by PatrickHenry · 89 replies · 1,196+ views
    European Space Agency ^ | 23 March 2006 | Staff
    Scientists funded by the European Space Agency have measured the gravitational equivalent of a magnetic field for the first time in a laboratory. Under certain special conditions the effect is much larger than expected from general relativity and could help physicists to make a significant step towards the long-sought-after quantum theory of gravity. Just as a moving electrical charge creates a magnetic field, so a moving mass generates a gravitomagnetic field. According to Einstein's Theory of General Relativity, the effect is virtually negligible. However, Martin Tajmar, ARC Seibersdorf Research GmbH, Austria; Clovis de Matos, ESA-HQ, Paris; and colleagues have measured...
  • Putting Relativity To The Test, NASA's Gravity Probe B To Reveale If Einstein Was Right

    10/09/2005 2:43:18 PM PDT · by Southack · 130 replies · 2,724+ views
    Stanford University ^ | 10/3/2005 | Bob Kahn
    NEWS RELEASE October 3, 2005 Contact: Bob Kahn, Gravity Probe B Public Affairs: (650) 723-2540, kahn@relgyro.stanford.edu Comment: Francis Everitt, Gravity Probe B Principal Investigator: (650) 725-4104, francis@relgyro.stanford.edu Editor Note: Photos and graphics are available on the web at http://einstein.stanford.edu/pao/newspix/hires. Relevant Web URLs: http://einstein.stanford.edu http://www.gravityprobeb.com Putting relativity to the test, NASA's Gravity Probe B experiment is one step away from revealing if Einstein was right Almost 90 years after Einstein postulated his general theory of relativity—our current theory of gravity—scientists have finally finished collecting the data that will put this theory to an experimental test. For the past 17 months, NASA's...
  • Are We A Privileged Planet? - (are we "alone" among billions of galaxies, stars & planets?)

    06/10/2005 8:04:42 PM PDT · by CHARLITE · 108 replies · 2,004+ views
    AMERICAN ENTERPRISE ONLINE.COM ^ | JUNE 10, 2005 | WILLIAM TUCKER
    For a few moments there, “Intelligent Design” seemed to be making headway. Two weeks ago, the Smithsonian announced it would screen the movie, “The Privileged Planet,” produced by the Discovery Institute, at the National Museum of History on June 23rd. The outcry in the New York Times and The Washington Post was immediate. The Smithsonian was caving to religious fundamentalists. “While `The Privileged Planet’ is an extremely sophisticated religious film, it is a religious film nevertheless,” pronounced The Post in an editorial entitled “Dissing Darwin.” Within a week, the Smithsonian had yielded to liberal opinion. It cancelled its “co-sponsorship” of...
  • Truth, Incompleteness and the Gödelian Way

    05/21/2005 2:42:12 AM PDT · by infocats · 58 replies · 1,021+ views
    New York Times ^ | 2005 | Edward Rothstein
    Is there a more powerful modern Trinity? These reigning deities proclaim humanity's inability to thoroughly explain the world. They have been the touchstones of modernity, their presence an unwelcome burden at first, and later, in the name of postmodernism, welcome company. Their rule has also been affirmed by their once-sworn enemy: science. Three major discoveries in the 20th century even took on their names. Albert Einstein's famous Theory (Relativity), Kurt Gödel's famous Theorem (Incompleteness) and Werner Heisenberg's famous Principle (Uncertainty) declared that, henceforth, even science would be postmodern.