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Keyword: magnetic

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  • Magnetic Spider Webs Attract Scientists' Attention (article)

    01/29/2014 10:48:00 AM PST · by fishtank · 10 replies
    Institute for Creation Research ^ | 1-29-2014 | Brian Thomas
    Magnetic Spider Webs Attract Scientists' Attention by Brian Thomas, M.S. * No, it’s not science fiction—it’s real. Spider webs use electricity to snare prey, and researchers recently discovered an added environmental benefit from these arachnids’ masterful constructions. Electrical properties within the glue-like coating on a spider web alter the magnetic field around it. When potential prey flies nearby, the web snaps out and tags its target like a tiny magnet. The web is negatively or neutrally charged, while insect bodies often carry a positive charge. In 2013, researchers found that spider webs snare positively charged insects with greater efficiency than...
  • Do Foxes Have Magnetic Senses? (article)

    01/24/2014 8:30:35 AM PST · by fishtank · 23 replies
    Institute for Creation Research ^ | 1-24-14 | Brian Thomas
    Do Foxes Have Magnetic Senses? by Brian Thomas, M.S. * During winter, red foxes hunt snow-covered mice without even seeing their prey—but how? Certainly, hearing plays a crucial role, but researchers from the Czech Republic and Germany found that European foxes pounce on mice much more successfully when facing north, leading them to suggest a more magnetic answer. Foxes may see more than what visible light reveals. The red fox find its prey—often buried as deep as three feet beneath the snow—not only when it faces north, but also when it faces the earth’s magnetic south pole. The fox first...
  • Potential Dark Matter Discovery a Win for Space Station Science

    04/04/2013 12:52:30 PM PDT · by LibWhacker · 21 replies
    AccuWeather ^ | 4/4/13
    Potential Dark Matter Discovery a Win for Space Station Science April 04, 2013; 7:56 AM If nature is kind, the first detection of dark matter might be credited to the International Space Station soon. The Alpha Magnetic Spectrometer experiment hangs on the side of the International Space Station, July 12, 2011. CREDIT: NASAToday (April 3), researchers announced the first science results from the Alpha Magnetic Spectrometer (AMS), a $2 billion cosmic-ray particle detector mounted on the exterior of the football-field-size International Space Station. The instrument has observed a striking pattern of antimatter particles called positrons that may turn out to...
  • Reverse Terraforming (for Supervillains only)

    05/18/2012 10:41:44 AM PDT · by LibWhacker
    Starts with a Bang ^ | 5/17/12 | Ethan Siegel
    "The Earth destroys its fools, but the intelligent destroy the Earth."-Khalid ibn al-Walid Usually, when we talk about terraforming, we think about taking a presently uninhabitable planet and making it suitable for terrestrial life. This means taking a world without an oxygen-rich atmosphere, with watery oceans, and without the means to sustain them, and to transform it into an Earth-like world. The obvious choice, when it comes to our Solar System, is Mars. (Image credit: Daein Ballard.) The red planet, after all, is not a total stranger to these conditions. On the contrary, for the first billion-and-a-half years of our...
  • Physicists 'record' magnetic breakthrough

    02/07/2012 10:44:06 PM PST · by LibWhacker · 20 replies
    PhysOrg ^ | 2/7/12
    An international team of scientists has demonstrated a revolutionary new way of magnetic recording which will allow information to be processed hundreds of times faster than by current hard drive technology. The researchers found they could record information using only heat - a previously unimaginable scenario. They believe this discovery will not only make future magnetic recording devices faster, but more energy-efficient too. The results of the research, which was led by the University of York's Department of Physics, are reported in the February edition of Nature Communications. York physicist Thomas Ostler said: "Instead of using a magnetic field to...
  • IBM researchers make 12-atom magnetic memory bit

    01/13/2012 5:03:47 PM PST · by NormsRevenge · 9 replies
    BBC News ^ | 1/13/12 | BBC
    Researchers have successfully stored a single data bit in only 12 atoms. Currently it takes about a million atoms to store a bit on a modern hard-disk, the researchers from IBM say. They believe this is the world's smallest magnetic memory bit. According to the researchers, the technique opens up the possibility of producing much denser forms of magnetic computer memory than today's hard disk drives and solid state memory chips. "Roughly every two years hard drives become denser," research lead author Sebastian Loth told the BBC. "The obvious question to ask is how long can we keep going. And...
  • Brrr… New York City Expecting Earliest Significant Snowfall Since Civil War

    10/29/2011 12:17:42 PM PDT · by george76 · 50 replies
    gateway ^ | October 29, 2011 | Jim Hoft
    It must be global warming climate change. New York City is expecting its earliest snow storm since the Civil War.
  • Mercury's Fading Magnetic Field Fits Creation Model

    10/26/2011 8:44:02 AM PDT · by fishtank · 173 replies
    Institute for Creation Research ^ | 10-26-2011 | Brian Thomas
    Mercury's Fading Magnetic Field Fits Creation Model by Brian Thomas, M.S. | Oct. 26, 2011 Planets, including the earth, generate magnetic fields that encompass the space around them. Observations have shown that, like earth's, the planet Mercury's magnetic field is rapidly breaking down, and NASA's Messenger spacecraft confirmed that again earlier this year. If the planets in the solar system are billions of years old, why do these magnetic fields still exist? In 1974 and 1975, the Mariner 10 spacecraft measured Mercury's magnetic field strength with its onboard magnetometer and sent the data to earth. The astronomers analyzing the data...
  • Solar system edge 'bunches' in magnetic bubbles: NASA

    06/09/2011 8:41:13 PM PDT · by NormsRevenge · 19 replies
    Yahoo ^ | 6/9/11 | AFP
    WASHINGTON (AFP) – A pair of NASA probes wandering in deep space discovered that the outer edge of the solar system contains curious magnetic bubbles and is not smooth as previously thought, astronomers said Thursday. The NASA Voyager twin spacecraft, which launched in 1977, are currently exploring the furthest outlays of the heliosphere, where solar wind is slowed and warped by pressure from other forces in the galaxy, the US space agency said. "Because the sun spins, its magnetic field becomes twisted and wrinkled, a bit like a ballerina's skirt," said astronomer Merav Opher of Boston University. "Far, far away...
  • Using Magnets to Help Prevent Heart Attacks: Magnetic Field Can Reduce Blood Viscosity...

    06/08/2011 10:27:16 AM PDT · by Red Badger · 33 replies
    Science Daily ^ | 06-07-2011 | Staff + Temple University
    If a person's blood becomes too thick it can damage blood vessels and increase the risk of heart attacks. But a Temple University physicist has discovered that he can thin the human blood by subjecting it to a magnetic field. [snip] Because red blood cells contain iron, Tao has been able to reduce a person's blood viscosity by 20-30 percent by subjecting it to a magnetic field of 1.3 Telsa (about the same as an MRI) for about one minute. Tao and his collaborator tested numerous blood samples in a Temple lab and found that the magnetic field polarizes the...
  • Scientists' research warns humanity may be facing 'vortex of death' (Solar Doom)

    03/23/2011 1:51:54 PM PDT · by Dr. Sheldon Cooper · 83 replies
    Helium: Geology & Geophysics ^ | March 22, 2011 | by Terrence Aym
    Professor Raymond Wheeler, from the University of Kansas, at first almost stumbled into the frightening data. The connection was initially discovered by noted Russian scientist Alexander Chizhevsky during 1915: solar storms trigger conflict, wars and death. A vortex of death. Chizhevsky found after intense research that the rise and fall of solar activity—interacting with the earth's magnetic field—causes mass changes in human's perspective's, moods, emotions and behavioral patterns. All are affected by sunspots and solar flares. Building upon the Russian scholar's research, Wheeler applied a numerically weighted ranking system during the 1930s to separate wars and even individual battles assessing...
  • Earth's magnetic pole shift unleashing poisonous space clouds linked to mysterious bird deaths

    01/13/2011 1:17:23 PM PST · by The Comedian · 84 replies
    Natural News ^ | Thursday, January 13, 2011 | Mike Adams
    A theory of what might be happening The working theory in all this, at least for the birds, is that deadly space clouds are reaching into the lower atmosphere and killing these birds in flight, after which the birds fall to the ground. The reports of the birds experiencing "blunt trauma" are likely from the birds hitting the ground. What, exactly, would be found in these deadly space clouds that might be killing the birds? One possibility is that these clouds might be moving along with gaps in the magnetosphere that would invite deadly radiation to "fry" the birds in...
  • Scientist Proposes Stopping Oil Spill With Tiny Bone-Crushing Magnets

    06/18/2010 12:09:08 PM PDT · by fso301 · 49 replies · 1,701+ views
    www.FoxNews.com ^ | June 18, 2010 | Fox
    Forget the "top hat," the "junk shot," the diamond saws and the "top kill" — one Florida scientist says he's developed a simple solution to the massive oil spill in the Gulf of Mexico: a set of bone-crushingly powerful magnets.
  • Magnetic Portals Connect Sun And Earth

    11/03/2008 4:09:31 PM PST · by Maelstorm · 30 replies · 1,366+ views
    http://www.sciencedaily.com ^ | NOV 2, 2008 | ScienceDaily
    During the time it takes you to read this article, something will happen high overhead that until recently many scientists didn't believe in. A magnetic portal will open, linking Earth to the sun 93 million miles away. Tons of high-energy particles may flow through the opening before it closes again, around the time you reach the end of the page. "It's called a flux transfer event or 'FTE,'" says space physicist David Sibeck of the Goddard Space Flight Center. "Ten years ago I was pretty sure they didn't exist, but now the evidence is incontrovertible." Indeed, today Sibeck is telling...
  • Magnetic Air Car - so how well does it stick to the road, dude?

    10/20/2008 7:56:43 AM PDT · by Reaganesque · 41 replies · 2,093+ views
    The Red Ferret ^ | 10/20/08 | "Nigel"
    This Magnetic Air Car appears to be an absolute miracle of engineering. We’re talking a vehicle that will travel at 100 mph plus for ‘an unlimited driving range’ without needing to refuel. Oh yes folks, you read that right. The technology seems to involve something called an air-bearing turbocharger which uses a $70 battery to run a magnetic motor to compress, use and re-compress air in the onboard storage tanks. The secret sauce as they call it is their new Air Cycle Machine, which apparently stirs up air through convection. Confused? Yep, same here. See if this magazine article helps. Oh and...
  • Cattle shown to align north-south

    08/25/2008 8:59:10 PM PDT · by LibWhacker · 38 replies · 1,710+ views
    BBC ^ | 8/25/08 | Elizabeth Mitchell
    Have you ever noticed that herds of grazing animals all face the same way?Images from Google Earth have confirmed that cattle tend to align their bodies in a north-south direction. Wild deer also display this behaviour - a phenomenon that has apparently gone unnoticed by herdsmen and hunters for thousands of years.
  • Earth's Core, Magnetic Field Changing Fast, Study Says

    07/10/2008 1:53:24 PM PDT · by hripka · 138 replies · 298+ views
    National Geographic Society ^ | June 30, 2008 | Kimberly Johnson
    Rapid changes in the churning movement of Earth's liquid outer core are weakening the magnetic field in some regions of the planet's surface, a new study says. "What is so surprising is that rapid, almost sudden, changes take place in the Earth's magnetic field," said study co-author Nils Olsen, a geophysicist at the Danish National Space Center in Copenhagen. The findings suggest similarly quick changes are simultaneously occurring in the liquid metal, 1,900 miles (3,000 kilometers) below the surface, he said. The swirling flow of molten iron and nickel around Earth's solid center triggers an electrical current, which generates the...
  • Magnetic Fields Used To Date Indian Artifacts

    06/30/2008 1:26:40 PM PDT · by blam · 11 replies · 191+ views
    Magnetic fields used to date Indian artifacts June 22, 2008 REPUBLIC COUNTY - You might be surprised what you can learn from a campfire. A campfire that has been cold for, say, 300 years. Stacey Lengyel hopes she can tell, within 30 years or so, when it was used. Lengyel, a research associate in anthropology at the Illinois State Museum, is the country's leading authority on archeomagnetic dating, a process built around two phenomena: when heated, magnetic particles reorient themselves to magnetic north; and over time, magnetic north is, literally, all over the map. "They call it a 'drunken wander,'...
  • Earth's poles long overdue for reversal

    06/05/2008 7:06:50 PM PDT · by LibWhacker · 65 replies · 131+ views
    Cosmos Magazine ^ | 5/5/08 | Claire Thomas
    SYDNEY: A reversal of the Earth's magnetic poles could happen sooner than we think, according to Dutch scientists who report that the planet's magnetic field is becoming gradually less stable. A reversal could affect everything from navigation and communications equipment to the composition of the atmosphere, say experts. The report, published today in the U.K. journal Nature Geoscience, found that reversals have been far more common in the last 200 million years than they were deep in the planet's history. Wandering polesResearchers, led by Andrew Biggin of the University of Utrecht in the Netherlands, made the discovery by analysing rocks...
  • Birds Can 'see' Earth's Magnetic Field

    04/30/2008 3:31:24 PM PDT · by blam · 15 replies · 140+ views
    New Scientist ^ | 4-30-2008 | Catherine Brahic
    Birds can 'see' the Earth's magnetic field 18:00 30 April 2008 NewScientist.com news service Catherine Brahic It has been debated for nearly four decades but no one has yet been able to prove it is chemically possible. Now good evidence suggests that birds can actually "see" the lines of the Earth's magnetic field. Klaus Schulten of the University of Illinois, proposed forty years ago that some animals – including migratory birds – must have molecules in their eyes or brains which respond to magnetism. The problem has been that no one has been able to find a chemical sensitive enough...
  • Does The Earth's Magnetic Field Cause Suicides?

    04/24/2008 1:31:52 PM PDT · by blam · 27 replies · 109+ views
    New Scientist ^ | 4-24-2008 | Catherine Brahic
    Does the Earth's magnetic field cause suicides? 13:39 24 April 2008 NewScientist.com news service Catherine Brahic Many animals can sense the Earth's magnetic field, so why not people, asks Oleg Shumilov of the Institute of North Industrial Ecology Problems in Russia. Shumilov looked at activity in the Earth's geomagnetic field from 1948 to 1997 and found that it grouped into three seasonal peaks every year: one from March to May, another in July and the last in October. Surprisingly, he also found that the geomagnetism peaks matched up with peaks in the number of suicides in the northern Russian city...
  • North By Northwest

    12/21/2007 3:13:32 PM PST · by blam · 38 replies · 310+ views
    Science News ^ | 12-21-2007 | Sid Perkins
    North by NorthwestThe planet's wandering magnetic poles help reveal history of Earth and humans Sid Perkins Hikers in the wilderness often place their faith in a trusty compass. But any navigator worth his salt knows that compasses can't truly be trusted: Only along certain longitudes in the Northern Hemisphere does a compass needle point due north. MOVED BY MAGNETISM. Explorers first found the north magnetic pole at Canada's Cape Adelaide in 1831. Blue dots (direct surface observations) and red dots (models using satellite data) denote the pole's movement since then. Green dots indicate the pole's future location if its current...
  • Digital magnetic map goes global

    11/03/2007 9:14:23 AM PDT · by BGHater · 13 replies · 2,572+ views
    BBC ^ | 03 Nov 2007 | Liz Seward
    The first global map of magnetic peculiarities - or anomalies - on Earth has been assembled by an international team of researchers. Magnetic anomalies are caused by differences in the magnetisation of the rocks in the Earth's crust. Many years of negotiation were required to obtain confidential data from governments and institutes. Scientists hope to use the map to learn more about the geological composition of our planet. The World Digital Magnetic Anomaly Map (WDMAM) is available through the Commission for the Geological Map of the World. The magnetic signature of the Earth's crust has been measured for many decades...
  • Birds Can "See" Earth's Magnetic Field

    09/27/2007 4:01:04 PM PDT · by blam · 29 replies · 163+ views
    National Geographic ^ | 9-27-2007 | John Roach
    Birds Can "See" Earth's Magnetic Field John Roach for National Geographic News September 27, 2007 To find north, humans look to a compass. But birds may just need to open their eyes, a new study says. Scientists already suspected birds' eyes contain molecules that are thought to sense Earth's magnetic field. In a new study, German researchers found that these molecules are linked to an area of the brain known to process visual information. In that sense, "birds may see the magnetic field," said study lead author Dominik Heyers, a biologist at the University of Oldenburg. Magnetic Orientation Human-made compasses...
  • Mysterious Solar Ripples Detected

    09/03/2007 6:54:21 AM PDT · by frithguild · 11 replies · 266+ views
    space.com ^ | Thu Aug 30, 2:30 PM ET | Dave Mosher
    Mysterious waves that help transport the sun's energy out into space have been detected by scientists for the first time. Researchers hope their discovery of the energetic ripples, known as Alfven waves, will shed light on other solar phenomena such as the sun's magnetic fields and its super-hot corona, or outermost atmosphere. A new video shows the ripples in action. "Alfven waves can provide us with a window into processes that are fundamental to the workings of the sun and its impacts on Earth," said Steve Tomczyk, a space scientist with the National Center for Atmospheric Research (NCAR). Like a...
  • Mission to Sun shows turbulent magnetic field

    03/21/2007 8:52:07 PM PDT · by NormsRevenge · 30 replies · 682+ views
    Reuters on Yahoo ^ | 3/21/07 | Reuters
    WASHINGTON (Reuters) - X-ray images taken from a new international spacecraft show that the Sun's magnetic field is much more turbulent than scientists knew, NASA reported on Wednesday. They saw twisting plumes of gas rising from the Sun's corona and reacting with the star's magnetic field, a process that releases energy and may power solar storms and coronal mass ejections, which in turn affect the Earth. A turbulent magnetic field would, in theory, generate more energy than a steady-state field. "Theorists suggested that twisted, tangled magnetic fields might exist," Leon Golub, senior astrophysicist at the Harvard-Smithsonian Center for Astrophysics, said...
  • Magnetic Bacteria Maintain Their Mystery

    10/24/2006 8:00:10 PM PDT · by FLOutdoorsman · 3 replies · 210+ views
    Science A GO GO ^ | 23 Oct 2006 | Science A GO GO
    The evolutionary advantage that magnetic bacteria enjoy has always been something of a conundrum, but now, scientists at the Naval Research Laboratory (NRL) and Purdue University have shed at least some light on the mystery. Their description of how being magnetic assists the bacteria to navigate appears in the Biophysical Journal. Found in a variety of aquatic environments, magnetic bacteria grow strings of microscopic magnetic particles called magnetosomes. When placed in a magnetic field, these make the bacteria align like tiny compass needles, a phenomenon call magnetotaxis. The strain of bacterium the NRL team studied, Magnetospirillum magneticum, was originally found...
  • Magnetic Stimulation May Ease Migraine Pain

    06/22/2006 10:56:52 PM PDT · by NormsRevenge · 4 replies · 264+ views
    HealthDay on Yahoo ^ | 6/22/06 | Amanda Gardner
    THURSDAY, June 22 (HealthDay News) -- A magnetic device that seems to help depression and seizures may also short-circuit migraine headaches in their earliest stages, a new study finds. The transcranial magnetic stimulation (TMS) device, about the size of a hair dryer, was able to interrupt the development of migraines, according to data to be presented Thursday at the American Headache Society's annual meeting, in Los Angeles. The study was funded by the device's maker, NeuraLieve, of Sunnyvale, Calif. About 28 million Americans suffer migraine headaches and about 20 percent experience migraine with aura, characterized by changes in vision before...
  • Magnetic Energy...perhaps

    09/08/2005 7:17:04 PM PDT · by scouse · 29 replies · 853+ views
    San Francisco Chronicle ^ | 9/7/05 | David Lazarus
    The nation's energy industry is struggling to recover from Hurricane Katrina. Gas prices are soaring as a result of the catastrophic storm. America's reliance on overseas oil increases every year. And from his office in the North Bay city of Sebastopol, Mark Goldes envisions a day -- perhaps not so far off -- when none of this will be a problem.
  • First measurements of Earth's core radioactivity

    07/27/2005 11:13:59 AM PDT · by LibWhacker · 35 replies · 1,496+ views
    New Scientist ^ | 7/27/05 | Celeste Biever
    EARTH'S natural radioactivity has been measured for the first time. The measurement will help geologists find out to what extent nuclear decay is responsible for the immense quantity of heat generated by Earth. Our planet's heat output drives the convection currents that churn liquid iron in the outer core, giving rise to Earth's magnetic field. Just where this heat comes from is a big question. Measurements of the temperature gradients across rocks in mines and boreholes have led geologists to estimate that the planet is internally generating between 30 and 44 terawatts of heat. Some of this heat comes from...
  • LINK LISTING - Space Propulsion Techniques and Technologies

    01/24/2005 2:01:06 PM PST · by vannrox · 10 replies · 7,090+ views
    VARIOUS ^ | FR Post 1-24-05 | VARIOUS
      POSTAL STS - Solar Thruster Sailor RSS - Ring Segment System LTH - Launcher Transport Head EFO - Experimental Flying Object RSC - Rotational Slingshot Catapult L I N K S ENGLISH Search - Solar Sailing - Propulsion Systems - Thruster - Lifters - Magnetism, Diamagnetism - Gravity, Antigravity, Gyroscope, Rotation - Space Tethers and Catapults - Space - UFO - Materials - Space Settlement - Space Mining - Space Tugboats - deflection - Sun - micro-/ nano spacecraft - Billboards, Message Lists - News - Newsgroups - Search - Solar Sailing Sites www.solarsails.info Benjamin Diedrichs NEW (July...
  • Collapse of Magnetic Field Accelerates

    07/12/2004 7:44:32 PM PDT · by Cheetah1 · 28 replies · 1,575+ views
    New York Times... | 7/12/04
    NYT: COLLAPSE OF THE EARTH'S MAGNETIC FIELD ACCELERATES Mon Jul 12 2004 18:17:38 ET The collapse of the earth's magnetic field, which both guards the planet and guides many of its creatures, appears to have started in earnest about 150 years ago, the NY TIMES is planning to report on Page Ones Tuesday. Science reporter Bill Broad has filed a report, according to newsroom sources, which explores how: 'The field's strength has waned 10 percent to 15 percent so far and this deterioration has accelerated of late, increasing debate over whether it portends a reversal of the lines of magnetic...
  • Cassini's first surprise: Saturn's magnetic field unlike Earth's

    06/29/2004 10:26:23 PM PDT · by LibWhacker · 11 replies · 736+ views
    sfgate.com ^ | 6/29/04 | David Perlman
    Ringed planet's poles are on either side of its equator Pasadena -- The spacecraft called Cassini, now little more than a million miles from Saturn, is already establishing that the mysterious ringed planet's magnetic field is bizarrely unlike Earth's -- and more surprises are sure to come. Cassini's interplanetary course is to carry it Wednesday night into the first of 76 orbits around Saturn to begin its four-year mission, and scientists are awaiting that first close-in encounter with some anxiety.
  • Ice Age coming into Focus!

    06/05/2004 2:32:35 PM PDT · by cureforcancer · 21 replies · 694+ views
    The Neutrino Report ^ | 1995, 2004 | Robert Texas Bailey(Tex)
    “In 1990 they found that the Earth goes through abrupt temperature changes from deep ice samples in Greenland of about 10,000 years ago the Earth’s temperature dropped 19 degrees” (research found by weather channel) taking 5-10 years (weather channel) but from analytical data, I intend to show this could take for the most part one year (Robert T Bailey) and more shocking a large part of the temperature change will happen this year! The End of the World as we known it is coming; an ice Age will change the face of the Earth. We have a crisis here. In...
  • Scientists Find Another PLANET in our solar system!

    03/16/2004 6:57:47 PM PST · by vannrox · 44 replies · 4,930+ views
    Space DOT com - Breaking News ^ | posted: 03:51 pm ET 15 March 2004 | By Robert Roy Britt Senior Science Writer
    Scientists Find Another Huge Mini-World in Outer Solar System The most distant object ever seen orbiting the Sun is nearly as large as Pluto, expanding astronomers notions of how the solar system formed and what resides in its outskirts. The round world is currently three times farther away than Pluto from the Sun, a distance that expands even further on its 10,000-year orbit. It sits in a part of the solar system that some astronomers had thought empty. It is redder and brighter than anything astronomers have seen in the outer solar system, and scientists don't know why. The object...
  • Japan's MagLev Breaks Own Speed Record

    12/03/2003 6:02:38 AM PST · by Rebel_Ace · 6 replies · 224+ views
    TOKYO - A magnetically levitated Japanese train raced to a new record Tuesday, topping its own record set just last month. The experimental maglev set the world's top speed for a train, clocking 361 mph in a test run in Yamanashi Prefecture (state), west of Tokyo, Central Japan Railway Co., which is carrying out the experiments, said in a statement. Maglev trains differ from conventional trains in that magnets lift them slightly off the track, eliminating speed-reducing friction and reducing noise. (they also cost about 100 times as much) The maglev is part of a government-financed project to develop faster...
  • Sun Sheds Skin And Flips

    11/20/2003 11:59:37 AM PST · by RightWhale · 83 replies · 4,134+ views
    spacedaily.com ^ | 21 Nov 03 | staff
    Sun Sheds Skin And Flips Greenbelt - Nov 20, 2003 Research with the Solar and Heliospheric Observatory (SOHO) spacecraft has revealed the process that may implement the reversal in the direction of the Sun's magnetic field that is known to occur every 11 years. This newly recognized factor in the Sun's magnetic flipping is the cumulative effect of more than a thousand huge eruptions called Coronal Mass Ejections (CMEs). The CMEs blast billions of tons of electrified gas into space, carrying away the Sun's old magnetic field and allowing a new one with a flipped orientation to form. Reversal...
  • Zealots put the spin into voting

    07/17/2003 4:35:27 PM PDT · by LibWhacker · 213+ views
    Physics Web ^ | 7/17/03 | Katie Pennicott
    How does a person with fixed political opinions influence the voting intentions of other people in an election? According to Mauro Mobilia, a theoretical physicist at the EPFL in Lausanne and Boston University, there are striking similarities between the influence of a zealot in the electorate and a fixed magnetic spin in an array of random spins. Mobilia believes this zealot model could give insights into a wide range of 'many-body' physical systems (M Mobilia 2003 Phys. Rev. Lett. 91 028701). In an election most people weigh up the pros and cons of the candidates before they choose who to...
  • Scientists levitate gold coins

    04/10/2003 4:42:08 PM PDT · by vannrox · 31 replies · 1,031+ views
    BBC News ^ | Published: 2003/04/10 07:19:37 | BBC News
    Scientists levitate gold coins Scientists have shown that levitation is not just a trick from a Harry Potter book. Researchers at the University of Nottingham have used magnetism to make solid objects such as coins float in the air. Scientists have already proven strong, varying magnetic fields could exert an upward force on objects in their path. The Nottingham team found this effect could be dramatically enhanced in cold, magnetised oxygen. Magnetic levitation occurs when the magnetic force is strong enough to overcome gravity and balance a body's weight. Cold oxygen provides extra buoyancy through the "magneto-Archimedes" effect -...
  • Astronomy Picture of the Day 2-23-03

    02/23/2003 3:25:10 PM PST · by petuniasevan · 11 replies · 317+ views
    NASA ^ | 2-23-03 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2003 February 23 A Twisted Solar Eruptive Prominence Credit: SOHO Consortium, EIT, ESA, NASA Explanation: A huge eruptive prominence is seen moving out from our Sun in this condensed half-hour time-lapse sequence. Ten Earths could easily fit in the "claw" of this seemingly solar monster. This large prominence, though, is significant not only for its size, but its shape. The twisted figure eight shape indicates that a complex...
  • Magnetic Effect Of Ocean Flow Revealed

    01/11/2003 10:28:03 AM PST · by blam · 13 replies · 390+ views
    New Scientist ^ | 1-9-2002 | Nicola Jones
    Magnetic effect of ocean flow revealed 19:00 09 January 03 NewScientist.com news service Tiny magnetic fields created by ocean tides have been mapped globally for the first time, after researchers filtered out the signal from satellite data. Improving the technique so that the magnetic fields created by all the ocean's motions can be picked out would provide a valuable new way to track global ocean circulation and climate change. It would be especially useful for monitoring deep water currents, as these cannot be seen by the current measurements of water colour or wave height. This is possible - at least...
  • Astronomy Picture of the Day 11-25-02

    11/24/2002 9:22:41 PM PST · by petuniasevan · 6 replies · 350+ views
    NASA ^ | 11-25-02 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 November 25 The Earth's Magnetic Field Credit & Copyright: Gary A. Glatzmaier (UCSC) Explanation: Why does the Earth have a magnetic field? The electrical conductivity of the molten plasma of the Earth's core should be able to damp the current magnetic field in only thousands of years. Yet our five billion year old Earth clearly causes magnets to point to (defined) north. The mystery is still being...
  • Astronomy Picture of the Day 10-15-02

    10/15/2002 3:13:14 PM PDT · by petuniasevan · 5 replies · 310+ views
    NASA ^ | 10-15-02 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 October 15 Aurora's Ring Credit & Copyright: Trygve Lindersen Explanation: Gusting solar winds and blasts of charged particles from the Sun made the early days of October rewarding ones for those anticipating auroras. While out enjoying the stormy space weather from Toemmeraas, Norway, Trygve Lindersen recorded this picturesque apparition of the northern lights with a digital camera on October 6. From this perspective, the curtains of green...
  • Astronomy Picture of the Day 8-18-02

    08/17/2002 10:15:12 PM PDT · by petuniasevan · 20 replies · 337+ views
    NASA ^ | 8-18-02 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 August 18 Earth's North Magnetic Pole Credit: NOAA Explanation: A magnetic compass does not point toward the true North Pole of the Earth. Rather, it more closely points toward the North Magnetic Pole of the Earth. The North Magnetic Pole is currently located in northern Canada. It wanders in an elliptical path each day, and moves, on the average, more than forty meters northward each day. Evidence...
  • ASTRONOMY PICTURE OF THE DAY 8-01-02

    08/01/2002 12:01:51 AM PDT · by sleavelessinseattle · 39 replies · 701+ views
    NASA ^ | 8/01/02 | Fred Espenak
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 August 1 Sunspots and Solar Active Regions Credit & Copyright: Fred Espenak (courtesy of www.MrEclipse.com) Explanation: July was a good month for sunspots ... really big sunspots. In fact, the full disk and inset pictures above show three large groups of spots, photographed only a few days ago on July 28. Together the sunspots span a region about thirty times the diameter of planet Earth. Now rotating...
  • Mounties could use wood to combat G8 cyber-terror

    06/27/2002 3:02:20 PM PDT · by JameRetief · 17 replies · 2,894+ views
    The Inquirer ^ | 27/06/2002 | Tony Dennis
    Mounties could use wood to combat G8 cyber-terror Japanese magnetic wood blocks radio signalsBy Tony Dennis, 27/06/2002 12:24:52 BST AS THE INQ recently reported, the Royal Canadian Mounted Police monitoring the G8 summit had to be granted special permission to jam the airwaves thereby preventing terrorists from using radio signals to remotely explode devices. That's because radio jammers are illegal in certain countries including North America, Britain and Australia. However, a Japanese scientist, Hideo Oka and his team from Iwate University in Morioka, Japan, has developed a special magnetic wood that can effectively block common radio signals. According to a...
  • Vostok: The Lake of Shadows

    06/25/2002 5:46:51 PM PDT · by vannrox · 13 replies · 4,118+ views
    FATE Magazine ^ | Cover Story FATE Magazine 2002-06-01 00:00:00 | by Scott Corrales
    Vostok: The Lake of ShadowsCover Story FATE Magazine 2002-06-01 00:00:00 by Scott Corrales “Doubt of the real facts, as I must reveal them, is inevitable; yet if I suppressed what will seem extravagant and incredible there would be nothing left.” —H. P. Lovecraft, “At the Mountains of Madness” The inspiration for this article began in the summer of 1996, when a series of email messages began to appear suggesting the possibility that “someone” or “something” was surreptitiously removing all recent maps of Antarctica. The notion was so outrageous that even die-hard conspiracy theorists found themselves having to clarify the...
  • 100,000-Year Climate Pattern Linked To Sun's Magnetic Cycle

    06/08/2002 6:12:46 PM PDT · by blam · 32 replies · 800+ views
    Science Daily ^ | 6-7-2002
    Date: Posted 6/7/2002 100,000-Year Climate Pattern Linked To Sun's Magnetic Cycles HANOVER, N.H. – Thanks to new calculations by a Dartmouth geochemist, scientists are now looking at the earth's climate history in a new light. Mukul Sharma, Assistant Professor of Earth Sciences at Dartmouth, examined existing sets of geophysical data and noticed something remarkable: the sun's magnetic activity is varying in 100,000-year cycles, a much longer time span than previously thought, and this solar activity, in turn, may likely cause the 100,000-year climate cycles on earth. This research helps scientists understand past climate trends and prepare for future ones. Published...
  • Astronomy Picture of the Day 5-16-02

    05/16/2002 12:57:42 AM PDT · by petuniasevan · 8 replies · 422+ views
    NASA ^ | 5-16-02 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 May 16 Double Trouble Solar Bubbles Credit: SOHO Consortium, LASCO, EIT ESA, NASA Explanation: During April and May, attention has been focused on the western evening sky, presenting its spectacle of bright planets and crescent moons shortly after sunset. Meanwhile, the Sun itself has not been just sinking quietly below the horizon. For example on May 2nd, two enormous clouds of energetic particles blasted away from the...
  • Astronomy Picture of the Day 3-21-02

    03/21/2002 1:02:01 PM PST · by petuniasevan · 14 replies · 419+ views
    NASA ^ | 3-21-02 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 March 21 S is for Sun Credit: SOHO - EIT Consortium, ESA, NASA Explanation: Taken yesterday from the SOHO spacecraft, this false-color image shows the active Sun near the March Equinox, the beginning of Fall in the south and Spring in the northern hemisphere. Recorded in a band of extreme ultraviolet light emitted by highly ionized iron atoms, the Sun's upper atmosphere or solar corona shines with...