Popular Magnet News and Current Events

Popular Magnet News and Current Events, Magnet News Articles.
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The magic angle of twisted graphene
Trapped tightly between two monolayers of carbon superimposed at a precise angle, electrons interact and can produce superconductivity. This is what UCLouvain's researchers reveal in an article published in Nature. This property allows electric power to circulate without any resistivity, without energy lost, within the nanostructure. (2021-02-23)

Optical magnetic field sensor can detect signals from the nervous system
The human body is controlled by electrical impulses in the brain, the heart and nervous system. These electrical signals create tiny magnetic fields, which doctors could use to diagnose various diseases, for example diseases of the brain or heart problems in young fetuses. Researchers from the Niels Bohr Institute have now succeeded in developing a method for extremely precise measurements of such ultra-small magnetic fields with an optical magnetic field sensor. The results are published in the scientific journal, Scientific Reports. (2016-07-15)

Researchers unlocking potential for next-generation medical scanning
While still in the early stages, research reported today in the journal Science Advances has made significant steps towards a new MRI method with the potential to enable doctors to personalise life-saving medical treatments and allow real-time imaging to take place in locations such as operating theatres and GP practices. (2018-01-05)

Molecular memory can be used to increase the memory capacity of hard disks
Researchers at the University of Jyväskylä have taken part in an international British-Finnish-Chinese collaboration where the first molecule capable of remembering the direction of a magnetic above liquid nitrogen temperatures has been prepared and characterized. The results may be used in the future to massively increase the storage capacity of hard disks without increasing their physical size. (2018-10-18)

Critical Materials Institute develops new acid-free magnet recycling process
A new rare-earth magnet recycling process developed by researchers at the Critical Materials Institute dissolves magnets in an acid-free solution and recovers high purity rare earth elements. (2017-09-07)

discovery changes how scientists examine rarest elements of periodic table
A little-known element called californium is making big waves in how scientists look at the periodic table. According to new research by a Florida State University professor, californium is what's known to be a transitional element, meaning it links one part of the Periodic Table of Elements to the next. (2015-04-16)

Practical spin wave transistor one step closer
University of Groningen physicists have managed to alter the flow of spin waves through a magnet, using only an electrical current. This is a huge step towards the spin transistor that is needed to construct spintronic devices. These promise to be much more energy efficient than conventional electronics. The results were published on March 2 in Physical Review Letters. (2018-03-01)

Hot bodies are attractive
You might think that a hot object pushes atoms and molecules away due to radiation pressure. But a UC Berkeley team showed that for a polarizable atom, the opposite occurs: the hot object attracts it. Using an atom interferometer, they found the attraction was 20 times stronger than the gravitational attraction between a tungsten object and a cesium atom. Though negligible in most situations, next-generation gravitational wave experiments may have to take this into account. (2017-12-08)

Writing and deleting magnets with lasers
Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) together with colleagues from the Helmholtz-Zentrum Berlin (HZB) and the University of Virginia in Charlottesville, USA have found a way to write and delete magnets in an alloy using a laser beam -- a surprising effect. The reversibility of the process opens up new possibilities in the fields of material processing, optical technology, and data storage. (2018-04-18)

Magnetic atoms of gold, silver and copper have been obtained
An international team led by physics and chemistry teams from the Faculty of Science and Technology at the University of the Basque Country and directed by Professor Jose Javier Saiz Garitaonandia, has achieved, by means of a controlled chemical process, that atoms of gold, silver and copper -- intrinsically non-magnetic (not attracted to a magnet) -- become magnetic. (2008-02-28)

Magnet Lab researchers make observing cell functions easier
Now that the genome of humans and many other organisms have been sequenced, biologists are turning their attention to discovering how the many thousands of structural and control genes -- the (2008-05-08)

Lasers make magnets behave like fluids
Researchers have discovered how magnets recover after being blasted by a laser. It turns out, they act a bit like oil and water in a jar. (2019-04-18)

Bees can learn to use a tool by observing others
Simply by watching other bees, bumblebees can learn to use a novel tool to obtain a reward, a new study reveals. (2017-02-23)

A new candidate material for quantum spin liquids
Using a unique material, EPFL scientists have been able to design and study an unusual state of matter, the Quantum Spin Liquid. The work has significant implications for future technologies, from quantum computing to superconductivity and spintronics. (2020-11-06)

Creating a 2-D platinum magnet
University of Groningen physicists have induced magnetism in platinum with an electric field created by a paramagnetic ionic liquid. As only the surface of the platinum is affected, this creates a switchable 2-D ferromagnet. The study was published in Science Advances on April 6. (2018-04-06)

Virtual reality goes magnetic
The success of Pokémon GO made many people familiar with the concept of 'augmented reality': computer-generated perception blends into the real and virtual worlds. So far, these apps largely used optical methods for motion detection. Physicists from HZDR, IFW Dresden and the University Linz have now developed an ultrathin electronic magnetic sensor that can be worn on skin. Just by interacting with magnetic fields, the device enables a touchless manipulation of virtual and physical objects. (2018-01-19)

Allina study shows patients with very small breast tumors may forgo lymph node biopsies
How to treat patients who have microinvasive breast cancer - tumors that are 1 mm or less in size (the thickness of a dime) -- is somewhat controversial. Can these tiny tumors affect the lymph nodes and spread cancer to other areas of the body? (2018-04-05)

New network is installed to investigate space weather over South America
Magnetometer network identifies magnetic field disturbances that can cause interference in electronic appliances, power grids and satellite navigation systems. Using the data collected by the network, Brazilian researchers work on the development of a specific magnetic K-index for South America. (2018-05-22)

Unexpected effect could lead to lower-power memory, computing devices
An expected effect, known as zero field switching, could enable lower-power memory and computing devices than presently possible. (2018-03-16)

A new machine learning method streamlines particle accelerator operations
SLAC researchers have developed a new tool, using machine learning, that may make part of the accelerator tuning process 5 times faster compared to previous methods. (2020-04-29)

A quantum magnet with a topological twist
Researchers probed a special kind of magnet containing atoms arranged in a pattern called a kagome lattice, which takes its name from a Japanese basket. They found that electrons in this material exhibit exotic behaviors that could be exploited for futuristic applications -- and that under a high magnetic field some electrons in this material act like an upside-down magnet. (2019-02-22)

Scientists discover new type of magnet
A team of scientists has discovered the first robust example of a new type of magnet -- one that holds promise for enhancing the performance of data storage technologies. (2019-02-07)

Theorists publish highest-precision prediction of muon magnetic anomaly
Latest calculation based on how subatomic muons interact with all known particles comes out just in time for comparison with precision measurements at new 'Muon g-2' experiment. (2018-07-13)

Nova-like explosion of spinning live bacteria explained
Suspensions of live bacteria in a viscous liquid do not act as expected when spun at certain speeds and now a team of researchers know why the bacterial aggregation appears to explode when the spinning stops. (2018-04-06)

Lipid vesicles transmit luminous or electrical signals
Fluorescent molecules or charges enable liposomes to transmit light or electrical signals. Magnetic particles added to the material allow transmission to be controlled by means of magnets. (2019-03-27)

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)

A new 'spin' on kagome lattices
The kagome ferromagnet Fe3Sn2 exhibits an electronic state that couples unusually strongly to an applied magnetic field that can be rotated to point in any direction of a 3-dimensional space, revealing that magnetization drives -- in quantum scale -- a 'giant' energy shift within the material, an international team of researchers has found. (2018-12-07)

Engineer creates new design for ultra-thin capacitive sensors
As part of ongoing acoustic research at Binghamton University, State University at New York Distinguished Professor Ron Miles has created a workable sensor with the least possible resistance to motion. (2018-06-26)

Magnetic liquids improve energy efficiency of buildings
Next-generation smart windows and facade devices are the main subjects in the research project Large-Area Fluidic Windows which has been coordinated at the University Jena, Germany. A new type of such smart windows was now presented in Advanced Sustainable Systems. In their paper the Jena materials researchers introduce prototypes of a window that changes its light permeability at the touch of a button, and, at the same time, can be used for solar-thermal energy harvesting. (2018-01-17)

Discovery of new material is key step toward more powerful computing
Researchers have created a new material that represents a key step toward the next generation of supercomputers. (2018-04-26)

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)

BESSY II sheds light on how the internal compass is constructed in magnetotactic bacteria
Bacteria exist in many shapes and with very different talents. Magnetotactic bacteria can even sense the earth's magnetic field by making use of magnetic nanoparticles in their interior that act as an internal compass. Spanish teams and experts at Helmholtz-Zentrum Berlin have now examined the magnetic compass of Magnetospirillum gryphiswaldense at BESSY II. Their results may be helpful in designing actuation devices for nanorobots and nanosensors for biomedical applications. (2018-04-16)

Portable superconductivity systems for small motors
Superconductivity is one of modern physics' most intriguing scientific discoveries. However, practical exploitation of superconductivity also presents many challenges. The challenges are perhaps greatest for researchers trying to integrate superconductivity in small, portable systems. Researchers demonstrate this week in Applied Physics Letters, that a portable superconducting magnetic system, which is, in essence, a high performance substitute for a conventional permanent magnet, can attain a 3-tesla level for the magnetic field. (2017-02-07)

Fighting myocardial infarction with nanoparticle tandems
How can damaged cardiac tissue following a heart attack best be treated with replacement muscle cells? A research team is now presenting an innovative method on mice: Muscle replacement cells, which are to take over the function of the damaged tissue, are loaded with magnetic nanoparticles. These cells are then injected into the damaged heart muscle and held in place by a magnet, causing the cells to engraft better onto the existing tissue. (2017-12-01)

Changes in agriculture could cut sector non-CO2 greenhouse gas emissions by up to 50 percent
The agricultural sector is the world's largest source of non-CO2 greenhouse gas emissions, and IIASA-led research has found that changing agricultural practices and a shift in diet away from meat and dairy products could reduce the sector's emissions by up to 50 percent by 2050 compared to a situation without mitigation efforts. (2018-12-17)

The observation of topologically protected magnetic quasiparticles
A team of researchers from Tohoku University, J-PARC, and Tokyo Institute of Technology conducted an in-depth study of magnetic quasiparticles called 'triplons.' The team conducted the study with a low-dimensional quantum magnet, Ba2CuSi2O6Cl2, using neutron inelastic scattering by AMATERAS at J-PARC. Their findings lead to the discovery of a new 'topologically protected triplon edge state' in the aforementioned compound. (2019-06-26)

Physicists find strange state of matter in superconducting crystal
New research published this week shows a rare state of matter in which electrons in a superconducting crystal organize collectively. The findings lay the groundwork for answering one of the most compelling questions in physics: How do correlated electron systems work, and are they related to one another? (2017-08-24)

Futuristic data storage
The development of high-density data storage devices requires the highest possible density of elements in an array made up of individual nanomagnets. The closer they are together, the greater the magnetic interactions between them. In a paper published in EPJ B, P. Kim from the Kirensky Institute of Physics, associated with the Russian Academy of Sciences, Russia, and colleagues have devised a new model to study the variation of the magnetic interaction between such nanomagnets. (2018-06-19)

In a Weyl thermopile
A new way to generate electricity in special materials called Weyl magnets has been discovered by physicists at the University of Tokyo. The method exploits temperature gradients, differences in temperature throughout a material. This could pave the way for maintenance-free remote sensing devices or even medical implants. (2018-07-30)

Penn engineers develop room temperature, two-dimensional platform for quantum technology
Researchers at the University of Pennsylvania's School of Engineering and Applied Science have now demonstrated a new hardware platform based on isolated electron spins in a two-dimensional material. The electrons are trapped by defects in sheets of hexagonal boron nitride, a one-atom-thick semiconductor material, and the researchers were able to optically detect the system's quantum states. (2019-02-11)

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