Popular Magnets News and Current Events

Popular Magnets News and Current Events, Magnets News Articles.
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Multiresponsive nanosurfactant constructs tiny chemical factory
IBS scientists have made a surfactant based on nanoparticle dimers, which is responsive to multiple stimuli. The nanosurfactant combines several characteristics of each 'active' molecular surfactant which allows a tremendous flexibility whereby liquid droplets can be manipulated. (2018-01-10)

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)

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)

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)

Majorana runners go long range: New topological phases of matter unveiled
New topological phases of matter have been discovered by researchers from Universidad Complutense, MIT, and Harvard University. They have found a mechanism that enhances the presence of Majorana quasiparticles at the edges of a topological superconductor. These findings open the door to unexpected applications in the development of quantum technologies. (2018-02-26)

Tuning in to magnetic ink
A new ink containing iron-oxide nanoparticles can be turned into fully printed and versatile components for cellular networks. (2018-04-04)

What magnets have to do with pistachios
A study using thousands of pistachio trees shows that ecological systems can be governed by the Ising model, which is typically used to explain permanent magnets. It also helps explain synchrony in nature, such as why a field of fruit trees blossom at the same time. (2018-02-05)

A self-cleaning surface that repels even the deadliest superbugs
A team of researchers at McMaster University has developed a self-cleaning surface that can repel all forms of bacteria, preventing the transfer of antibiotic-resistant superbugs and other dangerous bacteria in settings ranging from hospitals to kitchens. (2019-12-13)

Diamond 'spin-off' tech could lead to low-cost medical imaging and drug discovery tools
An international team has discovered how to exploit defects in nanoscale and microscale diamonds and potentially enhance the sensitivity of magnetic resonance imaging and nuclear magnetic resonance systems while eliminating the need for their costly and bulky superconducting magnets. (2018-05-18)

Weaponized shame
'Beyond Bullying' weaves research from the fields of psychology, sociology, economics, and history to create a single overarching theory of shame, offering a window into disturbing aspects of human behavior. (2015-11-03)

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)

Cloudy with a chance of radiation: NASA studies simulated radiation
NASA's Human Research Program (HRP) is simulating space radiation on Earth following upgrades to the NASA Space Radiation Laboratory (NSRL) at the US Department of Energy's Brookhaven National Laboratory. These upgrades help researchers on Earth learn more about the effects of ionizing space radiation to keep astronauts safe on a journey to Mars. (2017-06-13)

Scientists study neutron scattering for researching magnetic materials
Physicists from the University of Luxembourg and their research partners have demonstrated for the first time in a comprehensive study how different magnetic materials can be examined using neutron scattering techniques. The scientists have published their insights in 'Reviews of Modern Physics,' the renowned science journal of the American Physical Society. (2019-03-05)

Caltech geobiologists discover unique 'magnetic death star' fossil
An international team of scientists has discovered microscopic, magnetic fossils resembling spears and spindles, unlike anything previously seen, among sediment layers deposited during an ancient global-warming event along the Atlantic coastal plain of the United States. (2008-10-22)

New design strategy can help improve layered superconducting materials
Tokyo, Japan - Scientists from Tokyo Metropolitan University have created a new layered superconducting material with a conducting layer made of bismuth, silver, tin, sulfur and selenium. The conducting layer features four distinct sublayers; by introducing more elements, they were able to achieve unparalleled customizability and a higher ''critical temperature'' below which superconductivity is observed, a key objective of superconductor research. Their design strategy may be applied to engineer new and improved superconducting materials. (2019-10-12)

Towards greater MRI sensitivity by harnessing quantum hyperpolarization
Researchers at the University of Melbourne have developed a technique which could increase the sensitivity of magnetic resonance imaging (MRI) for patient diagnosis. (2018-03-28)

A megalibrary of nanoparticles
Using straightforward chemistry and a mix-and-match, modular strategy, researchers have developed a simple approach that could produce over 65,000 different types of complex nanoparticles. (2020-01-23)

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)

Scientists realize breakthrough in controlling the transmission of light
In the cover-story paper published in today's Nature Electronics, researchers at the Advanced Science Research Center (ASRC) at the Graduate Center of the City University of New York (CUNY) and at the University of Texas at Austin detail the development of a new light wave-isolation method. (2018-02-08)

Physicists find properties of magnetic soliton of interest for brain-inspired computing
A team of physicists has uncovered properties of a category of magnetic waves relevant to the development of neuromorphic computing--an artificial intelligence system that seeks to mimic human-brain function. (2018-05-01)

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)

New hybrid nanostructures detect nanoscale magnetism
Researchers at Rensselaer Polytechnic Institute have created a new process for growing a single multi-walled carbon nanotube that is embedded with cobalt nanostructures. Using this new hybrid material, the team determined that the electrical conductance of MWCNTs is sensitive enough to detect and be affected by trace amounts of magnetic activity. It is believed to be the first instance of demonstrating the detection of magnetic fields of such small magnets using an individual carbon nanotube. (2008-12-08)

Divide and conquer: Israeli researchers find key to creating better medicines with fewer side effects
A new study published in Science by professors Yossi Paltiel of the Hebrew University of Jerusalem and Ron Naaman from the Weizmann Institute of Science describes a breakthrough technology with the power to create drugs with fewer unwanted side effects. (2018-05-10)

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)

Atomically thin magnetic device could lead to new memory technologies
In a study published online May 3 in the journal Science, a University of Washington-led team announced that it has discovered a method to encode information using magnets that are just a few layers of atoms in thickness. This breakthrough may revolutionize both cloud computing technologies and consumer electronics by enabling data storage at a greater density and improved energy efficiency. (2018-05-03)

Designing a better superconductor with geometric frustration
Study shows a magnet-controlled 'switch' in superconductor configuration provides unprecedented flexibility in managing the location of vortex filaments, altering the properties of the superconductor. (2018-06-11)

Shielded quantum bits
A theoretical concept to realize quantum information processing has been developed by Professor Guido Burkard and his team of physicists at the University of Konstanz. (2018-10-26)

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)

Freshwater turtles navigate using the sun
Blanding's turtle hatchlings need only the sun as their compass to guide them on their way to the nearest wetland -- and a place of safety. This is according to John Dean Krenz of Minnesota State University in the US, lead author of a study in Springer's journal Behavioral Ecology and Sociobiology. The study focused on how this freshwater turtle, native to the US and Canada, is purposefully able to travel in a relatively straight line once it has hatched. (2018-11-09)

Researchers Seek Meteorites In Coal Mines
Looking for a meteorite is like looking for a needle in a haystack. Looking for fossil meteorites, which fell in the distant past and are now embedded in sedimentary rock, is even more difficult, but Penn State researchers think they have a way to pare down the haystack. (1996-10-28)

Fast and selective optical heating for functional nanomagnetic metamaterials
In a recent article published in Nanoscale, researchers from the Nanomagnetism group at nanoGUNE demonstrate the use of hybrid magnetic-plasmonic elements to facilitate contactless and selective temperature control in magnetic functional metamaterials. (2019-04-16)

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)

'Smart' machine components alert users to damage and wear
Scientists at the United Technologies Research Center and UConn used advanced additive manufacturing technology to create 'smart' machine components that alert users when they are damaged or worn. (2018-07-30)

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)

Future IT: Antiferromagnetic dysprosium reveals magnetic switching with less energy
The physicists compared how different forms of magnetic ordering in the rare-earth metal named dysprosium react to a short laser pulse. They discovered that the magnetic orientation can be altered much faster and with considerably less energy if the magnetic moments of the individual atoms do not all point in the same direction (ferromagnetism), but instead point are rotated against each other (anti-ferromagnetism). (2017-11-06)

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)

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)

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