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Keyword: magnets

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  • In China, the true cost of Britain's clean, green wind power experiment: Pollution

    01/31/2011 9:08:49 AM PST · by ruralvoter · 7 replies
    The Daily Mail (UK) ^ | 1/29/11 | SIMON PARRY in China and ED DOUGLAS in Scotland
    On the outskirts of one of China’s most polluted cities, an old farmer stares despairingly out across an immense lake of bubbling toxic waste covered in black dust. He remembers it as fields of wheat and corn. (snip) Vast fortunes are being amassed here in Inner Mongolia; the region has more than 90 per cent of the world’s legal reserves of rare earth metals, and specifically neodymium, the element needed to make the magnets in the most striking of green energy producers, wind turbines.
  • Caught between Trump and its biggest market, America’s sole rare earths mine is an unusual victim

    05/27/2019 4:47:29 PM PDT · by Zhang Fei · 35 replies
    South China Morning Post ^ | Updated: 9:03am, 27 May, 2019 | Eric Ng
    MP Materials, which runs the sole operating rare earths mine in the United States, is an unusual victim in the year-long tit-for-tat trade war between the two largest economies on the planet, as the conflict looks set to open up a new battlefront over technology. The operator of the Mountain Pass mine in California said it will kick-start its own processing operation by the end of 2020, after China last week more than doubled an import duty on concentrates to 25 per cent effective June 1. MP exports pellets – ground-up ores that contain oxides of rare earth elements –...
  • 'Virus-fighting' scientist gets magnets stuck in nose

    03/30/2020 4:56:07 PM PDT · by Kriggerel · 75 replies
    BBC ^ | March 30, 2020 | BBC
    An Australian astrophysicist who hoped to create a device to help stop people catching the coronavirus has ended up in hospital - after getting magnets stuck up his nose. Dr Daniel Reardon came up with a plan to create a necklace which would react if your hands were near your face. Unfortunately, the device did not work quite as planned.
  • Engineer Finds Way to Pull Diseases From Blood Using Magnets

    11/15/2019 9:52:52 AM PST · by Theoria · 50 replies
    Futurism ^ | 12 Nov 2019 | Kristin Houser
    A British engineer has found a way to filter unwanted cells from blood using magnets — and his tool could be used in clinical trials as soon as next year.Thanks to existing research, biochemical scientist George Frodsham knew it was possible to force magnetic nanoparticles to bind to specific cells in the body. But while other researchers did so primarily to make those cells show up in images, he wondered whether the same technique might allow doctors to remove unwanted cells from the blood.“When someone has a tumour you cut it out,” he told The Telegraph. “Blood cancer is a tumour...
  • New blood filtering system could draw disease from the body using magnets

    11/21/2019 12:39:51 PM PST · by Red Badger · 34 replies
    www.news-medical.net ^ | By Sally Robertson, B.Sc. Nov 11 2019
    An award-winning engineer has developed a new technology that could draw deadly infections such as malaria and sepsis from the body using magnets. ================================================================ George Frodsham designed the blood filtering system whilst studying how magnetic nanoparticles can bind to cells to make them detectable during imaging. He realized that if the nanoparticles can be made to magnetize cells so that they show up on scanners, it should also be possible to use them to draw cells from the blood. “In theory, you can go after almost anything” Theoretically, any bacteria, virus, or blood cancer, such as leukemia, could be bound...
  • Alzheimer's breakthrough as pioneering head device 'can REVERSE memory loss' using electromagnetic..

    09/18/2019 10:17:16 AM PDT · by RummyChick · 93 replies
    DM ^ | 9/18/2019 | SAM BLANCHARD SENIOR HEALTH REPORTER FOR MAILONLINE
    A head device that zaps the brain with electromagnetic waves appears to have reversed the effects of Alzheimer's in a trial. Eight patients with mild or moderate forms of the brain-destroying disorder took part in experimental transcranial electromagnetic treatment (TEMT). It involved them wearing a skullcap of magnets which sent electric pulses to break down build-ups of proteins known to stop nerve cells working properly. Seven of the patients showed a 'highly significant improvement' in tests of their memory, language, attention, behaviour and moods. Researchers hope the promising results could be the start of a breakthrough in Alzheimer's research, which...
  • New Laws of Attraction: Scientists Print Magnetic Liquid Droplets

    07/20/2019 5:18:22 PM PDT · by BenLurkin · 15 replies
    lbl.gov ^ | July 18, 2019 | Theresa Duque
    Inventors of centuries past and scientists of today have found ingenious ways to make our lives better with magnets – from the magnetic needle on a compass to magnetic data storage devices and even MRI body scan machines. All of these technologies rely on magnets made from solid materials. But what if you could make a magnetic device out of liquids? Using a modified 3D printer, a team of scientists at the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) have done just that. Their findings, to be published July 19 in the journal Science, could lead to a...
  • Ancient sculptors made magnetic figures from rocks struck by lightning

    05/06/2019 11:19:40 AM PDT · by DUMBGRUNT · 10 replies
    Science News ^ | 22 April 2019 | BRUCE BOWER
    Guatemalan ‘potbelly’ sculptures suggest people knew about magnetism more than 2,000 years ago HEADS UP Colossal stone heads from an ancient Guatemalan site contain magnetic fields on the right temple and cheek, spots that apparently held special significance for makers of the New research provides the first detailed look at how these sculpted body parts were intentionally placed within magnetic fields on large rocks. The researchers studied 11 potbelly sculptures, six heads and five bodies, now displayed in a Guatemalan town. At least 127 such sculptures have been found at sites in Mesoamerica, an ancient cultural region that runs from...
  • Discovered: Optimal magnetic fields for suppressing instabilities in tokamaks

    09/11/2018 6:19:50 AM PDT · by BenLurkin · 55 replies
    A long-time puzzle in the effort to capture the power of fusion on Earth is how to lessen or eliminate a common instability that occurs in the plasma called edge localized modes (ELMs). Just as the sun releases enormous bursts of energy in the form of solar flares, so flare-like bursts of ELMs can slam into the walls of doughnut-shaped tokamaks that house fusion reactions, potentially damaging the walls of the reactor. To control these bursts, scientists disturb the plasma with small magnetic ripples called resonant magnetic perturbations (RMPs) that distort the smooth, doughnut shape of the plasma—releasing excess pressure...
  • Magnet Implants? Welcome to the World of Medical Punk

    05/12/2018 8:22:51 AM PDT · by EdnaMode · 11 replies
    NY Times ^ | May 12, 2018 | Alice Hines
    Louis Anderson, a 16-year-old aspiring biotech entrepreneur, eats dinner with an anarchist, a world-renowned tongue splitter and at least 30 people who have implanted themselves with magnets or radio-frequency identification chips, a.k.a. RFID implants, for fun on a recent Friday night in Tehachapi, Calif. We’re at Grindfest, an annual meetup of biohackers, and Louis has never met a single member of the community in the flesh before, although he’s been planning the trip for two years. They have a lot to talk about. Will artificial intelligence kill us or save us? Will global warming be worse than experts predict? When...
  • Single-atom magnets to pave the way for smaller and denser storage devices: IBM

    03/11/2017 10:29:45 PM PST · by aquila48 · 11 replies
    ZDNet ^ | March 9, 2017 | Tas Bindi
    IBM researchers have found a way to store one bit of data in a magnet consisting of just one atom, the company announced on Wednesday. Prior to the discovery, the smallest bistable magnetic bits consisted of 3 to 12 atoms, IBM said, and hard drives use about 10,000 atoms to store a single bit. The ability to read and write one bit of data on one atom creates new possibilities for developing smaller and denser storage devices, according to IBM. The company said the discovery makes it conceivable to store an entire library of 35 million songs on a device...
  • Scientists produce first 3D-printed magnets

    10/25/2016 11:20:52 AM PDT · by 2ndDivisionVet · 18 replies
    United Press International ^ | October 25, 2016 | Brooks Hays
    "[Three-dimensional] printing brings something to magnet design which we could previously only dream of," said researcher Dieter Süss. VIENNA, Oct. 25 (UPI) -- From a technological perspective, making a powerful magnet is no problem. Precisely controlling the shape of magnet's magnetic field, however, has proven difficult -- until now. Engineers at TU Wien have for the first time designed and produced magnets using a 3D printer. The method offers scientists newfound control over the size and shape of the magnetic field, allowing them to produce magnets that better meet the needs of a range of technologies. "The strength of a...
  • Even Engineers Are Completely Baffled By This New Magnet Technology

    03/31/2016 10:29:32 AM PDT · by Red Badger · 119 replies
    damn.com ^ | 03-31-2016 | Staff
    When you think of magnets you probably imagine being a kid in class playing with them for the first time, figuring out that forces we can’t see have the ability to manipulate physical objects. We can make things affected by the magnetic waves, but not until recently have we been able to “program” them. A highly innovative company from Alabama have introduced to the world “Polymagnets,” and they’re incredible. They’re guaranteed to be one of the coolest things you see today!
  • Attracted to Genesis by Magnets and a Bird Book

    08/10/2015 9:25:20 AM PDT · by fishtank · 3 replies
    Institute for Creation Research ^ | Aug. 2015 | James J. S. Johnson
    Attracted to Genesis by Magnets and a Bird Book by James J. S. Johnson, J.D., Th.D. * Evidence for Creation God used magnets, a bird book, and some precious Christian teachers to draw me to appreciate and rely upon the origins history taught in Genesis. My journey of learning about creation and my Creator budded and blossomed in my teen years,1 but providential seed-planting and germination came earlier—in kindergarten, with magnets, and in second grade, when I received my first bird book. Magnets in Kindergarten As a small child, my parents taught me that God made everything, including me. However,...
  • Scientists have discovered a new state of matter, called 'Jahn-Teller metals'

    07/25/2015 6:00:39 PM PDT · by 2ndDivisionVet · 26 replies
    Science Alert ^ | May 12, 2015 | Bec Crew
    And it could be the key to understanding one of the biggest mysteries in physics today - high-temperature superconductors.An international team of scientists has announced the discovery of a new state of matter in a material that appears to be an insulator, superconductor, metal and magnet all rolled into one, saying that it could lead to the development of more effective high-temperature superconductors. Why is this so exciting? Well, if these properties are confirmed, this new state of matter will allow scientists to better understand why some materials have the potential to achieve superconductivity at a relativity high critical temperature...
  • New, expanding magnet turns around 175-year-old principle of magnetism

    05/28/2015 9:06:45 PM PDT · by 2ndDivisionVet · 9 replies
    The International Business Times UK ^ | May 23, 2015 | Jayalakshmi K
    A new class of magnets discovered that swell in volume and generate little heat when placed in a magnetic field could be used to harvest or convert energy efficiently. Applications range from sensors and actuators for automobiles to biomedical devices, besides defence applications. Discovered by scientists at the University of Maryland (UMD) and Temple University, the new magnets made from abundant metal alloys could replace the expensive, rare-earth magnets which exhibit poor mechanical properties. Maryland professor of materials science and engineering Manfred Wuttig, and Harsh Deep Chopra, professor and chair of mechanical engineering at Temple heated certain iron-based alloys (iron-gallium,...
  • Shedding new light on 175-year-old principle: New class of swelling magnets ... energize the world

    05/20/2015 11:06:44 AM PDT · by Red Badger · 21 replies
    Phys.Org ^ | 05-20-2015 | Provided by Temple University
    A new class of magnets that expand their volume when placed in a magnetic field and generate negligible amounts of wasteful heat during energy harvesting, has been discovered by researchers at Temple University and the University of Maryland. The researchers, Harsh Deep Chopra, professor and chair of mechanical engineering at Temple, and Manfred Wuttig, professor of materials science and engineering at Maryland, published their findings, "Non-Joulian Magnetostriction," in the May 21st issue of the journal, Nature. This transformative breakthrough has the potential to not only displace existing technologies but create altogether new applications due to the unusual combination of magnetic...
  • Magnets Can Control Heat And Sound? Shocking New Research Suggests They Can

    03/24/2015 9:10:14 PM PDT · by BenLurkin · 19 replies
    The study is the first ever to prove that acoustic phonons (particles responsible for the transmission of both sound and heat) contain magnetic properties, The Ohio State University reported. The team of researchers demonstrated that a magnetic field about the size of an MRI was able to reduce the amount of heating flowing through a semiconductor by about 12 percent. "This adds a new dimension to our understanding of acoustic waves," said Joseph Heremans, Ohio Eminent Scholar in Nanotechnology and professor of mechanical engineering at Ohio State. "We've shown that we can steer heat magnetically. With a strong enough magnetic...
  • Transcranial Magnetic Stimulation of brain boosts memory

    08/29/2014 8:47:09 AM PDT · by Red Badger · 4 replies
    medicalxpress.com ^ | Provided by Northwestern University
    Stimulating a particular region in the brain via non-invasive delivery of electrical current using magnetic pulses, called Transcranial Magnetic Stimulation, improves memory, reports a new Northwestern Medicine study. The discovery opens a new field of possibilities for treating memory impairments caused by conditions such as stroke, early-stage Alzheimer's disease, traumatic brain injury, cardiac arrest and the memory problems that occur in healthy aging. "We show for the first time that you can specifically change memory functions of the brain in adults without surgery or drugs, which have not proven effective," said senior author Joel Voss, assistant professor of medical social...
  • Refrigerator magnets: New theory predicts magnets may act as wireless cooling agents.

    07/29/2014 4:34:39 AM PDT · by LibWhacker · 16 replies
    MIT News Office ^ | 7/28/14 | Jennifer Chu
    The magnets cluttering the face of your refrigerator may one day be used as cooling agents, according to a new theory formulated by MIT researchers. The theory describes the motion of magnons — quasi-particles in magnets that are collective rotations of magnetic moments, or “spins.” In addition to the magnetic moments, magnons also conduct heat; from their equations, the MIT researchers found that when exposed to a magnetic field gradient, magnons may be driven to move from one end of a magnet to another, carrying heat with them and producing a cooling effect. “You can pump heat from one side...