Wearable brain-machine interface turns intentions into actions
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An international team of researchers led by Georgia Tech is combining soft scalp electronics and virtual reality in a brain-interface system, recently published in Advanced Science.
A so-called "strange metal", well-known for its unusual properties, has been shown to be a superconductor at very low temperatures. This allows scientists to study the connection between "strange metal"-behaviour and superconductivity, which could be an important step towards understanding the phenomenon of high-temperature superconductivity.
Researchers have discovered a "layer" Hall effect in a solid state chip constructed of antiferromagnetic manganese bismuth telluride, a finding that signals a much sought-after topological Axion insulating state, the team reports in the current edition of the journal Nature.
MIT physicists have observed signs of a rare type of superconductivity in a material called "magic-angle" twisted trilayer graphene. They report that the material exhibits superconductivity at surprisingly high magnetic fields of up to 10 Tesla, which is three times higher than what the material is predicted to endure if it were a conventional superconductor.
A peer-reviewed study by the Environmental Working Group recommends stringent health-based exposure standards for both children and adults for radiofrequency radiation emitted from wireless devices. EWG's children's guideline is the first of its kind and fills a gap left by federal regulators.
Scientists show for the first time that 'stealth' coronal mass ejections, a type of solar storm, can be detected early on the Sun's surface. This could help put measures in place that limit damage to technology and energy grids on Earth from the electromagnetic radiation. The new techniques can be implemented immediately, and their power to forecast risky events will become even greater once the new Solar Orbiter and similar spacecraft become fully operational.
The photovoltaic effect of ferroelectric crystals can be increased by a factor of 1,000 if three different materials are arranged periodically in a lattice. This has been revealed in a study by researchers at Martin Luther University Halle-Wittenberg (MLU). They achieved this by creating crystalline layers of barium titanate, strontium titanate and calcium titanate which they alternately placed on top of one another. Their findings, which could significantly increase the efficiency of solar cells, were published in the journal "Science Advances".
POSTECH-PAL research team expects a wide range of applications in space and fusion plasma research with the new finding.
Scientists at Berkeley Lab and UC Berkeley have created an ultrathin magnet that operates at room temperature. The ultrathin magnet could lead to new applications in computing and electronics - such as high-density, compact spintronic memory devices - and new tools for the study of quantum physics.
Researchers from The University of Texas at Austin have found a low-cost way to solve one half of the water-splitting equation to produce hydrogen as clean energy -- using sunlight to efficiently split off oxygen molecules from water. The finding represents a step forward toward greater adoption of hydrogen as a key part of our energy infrastructure.