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Protons: made of quarks, but ruled by gluons
A proton is the only stable example of a particle composed of three quarks. But inside the proton, gluons, not quarks, dominate.
Schrödinger’s Cat breakthrough could usher in the ‘Holy Grail’ of quantum computing, making them error-proof
Errors in quantum computers are an obstacle for their widespread use. But a team of scientists say that, by using an antimony atom and the Schrödinger’s Cat thought experiment, they could have found a way to stop them.
World-first quantum entanglement of molecules at 92% fidelity, UK achieves ‘magic’
UK researchers used special optical tweezers to attain quantum entanglement of molecules that could unlock multiple applications in quantum computing.
Strange Swapping Behavior Defines New Particle Candidate
Researchers predict the existence of a class of particles that behave differently from those already known.
Biological Magnetic Sensing Comes Close to Quantum Limit
Researchers find that two types of biological magnetic sensor can sense fields close to the quantum limit, a finding that could guide the design of lab-made devices.
Building a Scalable Ion Clock with a Coulomb Crystal
Researchers have built an optical clock using an array of trapped ions—an architecture that can be scaled up to boost the clock’s precision.
New chainmail-like material could be the future of armor
In a remarkable feat of chemistry, a Northwestern University-led research team has developed the first two-dimensional (2D) mechanically interlocked material.
Resembling the interlocking links in chainmail, the nanoscale material exhibits exceptional flexibility and strength. With further work, it holds promise for use in high-performance, light-weight body armor and other uses that demand lightweight, flexible and tough materials.
Publishing on Jan. 17 in the journal Science, the study marks several firsts for the field. Not only is it the first 2D mechanically interlocked polymer, but the novel material also contains 100 trillion mechanical bonds per 1 square centimeter—the highest density of mechanical bonds ever achieved.
Study explores link between people’s professions and their genetic predisposition to neuropsychiatric traits
Polygenic scores (PGS) are metrics used to estimate the genetic predisposition of people to developing specific mental health conditions, personality traits or diseases. In recent years, these metrics have often been used to investigate the intricate connections between genes and environmental factors.
Researchers at the JJ Peters VA Medical Center, Icahn School of Medicine at Mount Sinai and other institutes recently carried out a study aimed at determining whether neuropsychiatric polygenic scores could predict the professional categories that individuals belong to. Their findings, published in Nature Human Behaviour, suggest that these scores weakly predict the professional category that people belong to.
“Neuropsychiatric disorders are both common and highly heritable, yet they remain heavily stigmatized,” Georgios Voloudakis, first author of the paper, told Medical Xpress.
Anomalous Hall torque: ‘Brand new physics’ for next-generation spintronics
Our data-driven world demands more—more capacity, more efficiency, more computing power. To meet society’s insatiable need for electronic speed, physicists have been pushing the burgeoning field of spintronics.
Traditional electronics use the charge of electrons to encode, store and transmit information. Spintronic devices utilize both the charge and spin-orientation of electrons. By assigning a value to electron spin (up=0 and down=1), spintronic devices offer ultra-fast, energy-efficient platforms.
To develop viable spintronics, physicists must understand the quantum properties within materials. One property, known as spin-torque, is crucial for the electrical manipulation of magnetization that’s required for the next generation of storage and processing technologies.