Magnets Current Events

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Do static magnets reduce pain?
Static magnets are widely marketed to the public with claims of effectiveness for relieving pain. One survey suggests that about 28 percent of patients with rheumatoid arthritis, osteoarthritis or fibromyalgia, use magnets or copper bracelets for pain relief. Do static magnets help reduce pain? (2007-09-24)

Super magnets from a 3D printer
Magnetic materials are an important component of mechatronic devices such as wind power stations, electric motors, sensors and magnetic switch systems. Magnets are usually produced using rare earths and conventional manufacturing methods. A team of researchers at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) has worked together with researchers from the Graz University of Technology, the University of Vienna and the research institution Joanneum Research to produce specially designed magnets using a 3D printer. (2020-03-06)

Heavy metals open path to high temperature nanomagnets
Danish chemistry student discovers path to making molecular magnets work at exceptionally high temperatures. The solution? Build magnets using just a few atoms of heavy non-iron metals. (2011-03-28)

Supply problems spark search for new ways to make magnets -- not the 'fridge' variety
Supply problems spark search for new ways to make magnets -- not the (2013-01-09)

LHC magnets: The great descent
The first superconducting magnet for the Large Hadron Collider (LHC) was lowered into the accelerator tunnel at 2.00 p.m. on Monday, 7th March. This is the first of the 1232 dipole magnets for the future collider, which measures 27 km in circumference and is scheduled to be commissioned in 2007. The date was thus a key one for CERN  since the delivery of the 15 metre long dipole magnet weighing 35 tonnes to its final location marks the start of LHC installation. (2005-03-07)

Salt Lake City researcher receives national award
Joel S. Miller of Salt Lake City, Utah, will be honored on March 28 by the world's largest scientific society for pioneering development of molecule-based magnets. He will receive the American Chemical Society Award in the Chemistry of Materials at the Society's 219th national meeting in San Francisco. (2000-03-21)

Newly created magnets are cheaper, more effective and 'smarter'
Ferromagnets, or more precisely, magnets -- are extremely demanded materials in modern electronics. The magnets present in almost every device -- TVs, computers, fridges, cars, smartphones, etc. But it is necessary to remember, that ferromagnetic alloys are made of rare-earth elements (REE) that is way an effective and high-powered magnet is an expensive thing. (2019-10-28)

Frustrated magnets point towards new memory
Theoretical physicists from the University of Groningen, supported by the FOM Foundation, have discovered that so-called 'frustrated magnets' can produce skyrmions, tiny magnetic vortices that may be used in memory storage. This discovery opens up a new class of materials for scientists working on 'skyrmionics,' which aims to build memory and logic devices based on skyrmions. The results are published on Sept. 23 in Nature Communications. (2015-09-23)

A step closer to single-atom data storage
Physicists at EPFL used Scanning Tunneling Microscopy to successfully test the stability of a magnet made up of a single atom. The study is published in Physical Review Letters. (2018-07-11)

Magnets and kids: A dangerous duo
Magnet ingestions by children have received increasing attention over the past 10 years. With the growing availability of new and stronger neodymium-iron-boron magnets being sold as 'toys,' there has been an increase of cases of ingestion, resulting in serious injury and, in some cases, death. In a new study scheduled for publication in the Journal of Pediatrics, researchers studied the trends of magnetic ingestions at the Hospital for Sick Children, Canada's largest children's hospital. (2014-05-16)

Argonne researchers discover keys to improving commerical magnet technology
Permanent magnets are important in a broad variety of commercial technologies, from car starters to alternators for wind power generation to computer hard drives. Researchers at the US Department of Energy's Argonne National Laboratory have found new clues into ways to make those magnets longer-lasting and more powerful. (2005-11-18)

Magnet ingestion by young children serious and growing problem
Physicians and parents must be aware of the growing danger of magnet ingestion by children because magnets can adhere to each other and cause life-threatening problems such as bowel perforations, a new case study illustrates in CMAJ. (2013-03-11)

NIGMS energizes NMR research with world's biggest magnets
NIGMS announces support for four new custom-built 900 MHz magnets for nuclear magnetic resonance (NMR) spectroscopy studies. These magnets, the most powerful to date, will allow researchers to study larger molecules and will increase the speed and accuracy of these studies. (2002-07-01)

Scientists suggested using non-symmetrical magnets for target drug delivery
A team of scientists from Immanuel Kant Baltic Federal University and the University of Genoa suggested combining permanent magnets of different shapes to target magnetic particles with drugs at the organs of lab mice. Such a combination secured a magnetic driving force that was ten times stronger compared to regular cylindrical magnets. (2021-02-09)

Typing makes laptops run for longer
An ingenious device that uses the energy from typing on a laptop's keyboard to recharge the battery has been patented by Compaq in the US. The generator could reduce the size of the batteries used or make them last longer. (1999-07-21)

Magnets may pose serious risks for patients with pacemakers and ICDs
Magnets may interfere with the operation of pacemakers and implantable cardioverter defibrillators, according to a study published in the December 2006 edition of Heart Rhythm. (2006-11-30)

A fast way of electron orbit simulation in complex magnetic fields
The design of advanced synchrotron radiation sources requires precise algorithms for the simulation of electron trajectories in complex magnetic fields. However, multi-parameter studies can be very time consuming. Now, a team of the HZB has developed a new algorithm which significantly reduces the computation time. This approach is now published in the renowned journal 'Physical Review Special Topics Accelerator & Beams.' (2016-01-20)

Next step in producing magnetic organic molecules
A team from the Ruhr Explores Solvation Cluster of Excellence at Ruhr-Universität Bochum has created new molecules with magnetic properties. In contrast to many earlier organic magnets, the molecules were stable in the presence of water and oxygen. Their magnetic properties were retained up to minus 110 degrees Celsius -- which is relatively warm for these compounds. (2019-07-30)

Magnetic bracelets reduce the pain of osteoarthritis
Magnetic bracelets reduce pain in osteoarthritis of the hip and knee, finds a study in this week's Christmas issue of the BMJ. (2004-12-16)

Pushing the boundaries of magnet design
A Russian team has been pushing the boundaries of magnet design, as published in a recent study in EPJ Plus. They have developed methods to counter the spontaneous loss of magnetization, based on their understanding of the underlying physical phenomenon. Roman Morgunov from the Russian Academy of Sciences and colleagues have now developed a simple additive-based method for ensuring the stability of permanent magnets over time, with no loss to their main magnetic characteristics. (2016-10-18)

Warning to parents over magnet danger to children
Doctors are asking parents to take extra care that their children do not swallow small magnets from toys, after two children required surgical intervention following ingestion of such small magnets. In a letter to the Lancet, Dr. Anil Thomas George and Dr Sandeep Motiwale of Queen's Medical Centre, part of Nottingham University Hospitals NHS Trust, UK, report two separate incidents in the last 18 months of children needing surgical intervention to remove swallowed magnets. (2012-06-21)

Scientists design magnets with outstanding properties
An international team of researchers led by the Centre de Recherche Paul Pascal (UMR 5031, CNRS -University of Bordeaux) has discovered a novel way to design magnets with outstanding physical properties, which could make them complementary to, or even competitive with traditional inorganic magnets, which are widely used in everyday appliances. (2020-11-06)

Researchers synthesize magnetic nanoparticles that could offer alternative to rare Earth magnets
A team of scientists at Virginia Commonwealth University has synthesized a powerful new magnetic material that could reduce the dependence of the United States and other nations on rare earth elements produced by China. (2015-06-01)

Children and magnets have a dangerous attraction, end up in the ER
Cases involving children ingesting magnets quintupled between 2002 and 2011, with ingestion of multiple magnets generally resulting in more serious outcomes, including emergency surgery. The results of a study documenting a rapid rise in pediatric injuries was published online yesterday in Annals of Emergency Medicine. (2013-08-07)

The quest for spin liquids
OIST researchers show new connections between exotic states of matter. (2016-03-14)

Titania-based material holds promise as new insulator for superconductors
Research from North Carolina State University shows that a type of modified titania, or titanium dioxide, holds promise as an electrical insulator for superconducting magnets, allowing heat to dissipate while preserving the electrical paths along which current flows. (2014-09-04)

Breakthrough made in atomically thin magnets
Cornell researchers have become the first to control atomically thin magnets with an electric field, a breakthrough that provides a blueprint for producing exceptionally powerful and efficient data storage in computer chips, among other applications. (2018-04-04)

Success in producing a completely rare-earth free Feni magnet
- For the first time, low cost production of a completely rare-earth free FeNi magnet with simple industrial technology - Hard magnetic phase formed in natural meteorite achieved in significantly reduced time (from billions of years to maximum ten days) - Issues related to rare-earth supply in production of high quality magnets potentially resolved, paving the way for industrial superiority in the production of future magnets (2015-11-17)

National Maglab achieves new world record with strongest resistive magnet
New 41.4-Tesla instrument paves way for breakthroughs in physics and materials research. (2017-08-22)

New ways to construct contactless magnetic gears
OIST scientist has generalized the theory of smooth magnetic couplings in preparation for a small 3-D printed prototype car. (2016-02-16)

Rare earth magnet recycling is a grind -- this new process takes a simpler approach
A new recycling process developed at the US Department of Energy's Critical Materials Institute turns discarded hard disk drive magnets into new magnet material in a few steps, and tackles both the economic and environmental issues typically associated with mining e-waste for valuable materials. (2018-04-19)

New CMI process recycles magnets from factory floor
A new recycling method developed by scientists at the Critical Materials Institute, a US Department of Energy Innovation Hub led by the Ames Laboratory, recovers valuable rare-earth magnetic material from manufacturing waste and creates useful magnets out of it. Efficient waste-recovery methods for rare-earth metals are one way to reduce demand for these limited mined resources. (2015-06-30)

New class of swelling magnets have the potential to energize the world
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. This transformative breakthrough has the potential to not only displace existing technologies but create altogether new applications due to the unusual combination of magnetic properties. (2015-05-20)

Towards next-generation molecule-based magnets
Magnets are to be found everywhere in our daily lives, whether in satellites, telephones or on fridge doors. However, they are made up of heavy inorganic materials whose component elements are, in some cases, of limited availability. Now, researchers from the CNRS, the University of Bordeaux and the ESRF (European Synchrotron Radiation Facility in Grenoble) have developed a new lightweight molecule-based magnet, produced at low temperatures, and exhibiting unprecedented magnetic properties. (2020-10-29)

Scientists discover potential path to improving samarium-cobalt magnets
Scientists have discovered a potential tool to enhance magnetization and magnetic anisotropy, making it possible to improve the performance of samarium-cobalt magnets. (2019-08-13)

A faster, cheaper path to fusion energy
Scientists are working to dramatically speed up the development of fusion energy in an effort to deliver power to the electric grid soon enough to help mitigate impacts of climate change. The arrival of a breakthrough technology -- high-temperature superconductors, which can be used to build magnets that produce stronger magnetic fields than previously possible -- could help them achieve this goal. Researchers plan to use this technology to build magnets at the scale required for fusion (2018-11-05)

Watching magnetic nano 'tornadoes' in 3D
Scientists have developed a three-dimensional imaging technique to observe complex behaviours in magnets, including fast-moving waves and 'tornadoes' thousands of times thinner than a human hair. (2020-02-24)

Magnet therapy: what's the attraction?
A University of Maryland physics professor raises doubts on the practice of using magnets to relieve pain--with some simple experiments you can try at home. (1999-09-08)

Ensuring the future affordability of wind turbines, computers and electric cars
Technologies from wind turbines to electric vehicles rely on critical materials called rare-earth elements. These elements, though often abundant, can be difficult and increasingly costly to come by. Now, scientists looking for alternatives have reported in ACS' journal Chemistry of Materials a new way to make nanoparticles that could replace some rare-earth materials and help ensure the continued supply of products people have come to depend on. (2016-06-01)

Can the donut-shaped magnet 'CAPPuccino submarine' hunt for dark matter?
IBS scientists clarify that toroidal magnets can also look for axions, one of the particle candidates for the mysterious dark matter. (2017-01-23)

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