Quantum error correction used to actually correct errors
Microsoft and Quantinuum correct problems when entangling pairs of qubits. Enlarge / Quantinuum's H2 "racetrack" quantum processor. (credit: Quantinuum) Today's quantum computing hardware is severely limited in what it c.....»»
Physicist achieve milestone in quantum simulation with circular Rydberg qubits
A team of researchers from the 5th Institute of Physics at the University of Stuttgart is making important progress in the field of quantum simulation and quantum computing based on Rydberg atoms by overcoming a fundamental limitation: the limited li.....»»
The quantum theory of gravitation, effective field theories and strings: Past and present
Gravity is one of four fundamental interactions. The most precise description of this force is still provided by Einstein's General Theory of Relativity, published in 1915, an entirely classical theory. This description sets gravity apart from the ot.....»»
New super-pure silicon chip opens path to powerful quantum computers
Researchers at the Universities of Melbourne and Manchester have invented a breakthrough technique for manufacturing highly purified silicon that brings powerful quantum computers a big step closer......»»
How to fix iMessage activation errors on your iPhone
Are you having activation errors with iMessage on your iPhone? Here are some fixes for the problem......»»
New quantum sensing scheme could lead to enhanced high-precision nanoscopic techniques
Researchers from the University of Portsmouth have unveiled a quantum sensing scheme that achieves the pinnacle of quantum sensitivity in measuring the transverse displacement between two interfering photons......»»
Physicists pioneer new quantum sensing platform
Quantum sensors detect the smallest of environmental changes—for example, an atom reacting to a magnetic field. As these sensors "read" the unique behaviors of subatomic particles, they also dramatically improve scientists' ability to measure and d.....»»
Blue Screen of Death: What it means and what to do if you get one
The Blue Screen of Death, or BSOD, is a common Windows error faced by many people over the years. Here's what to do if this appears on your screen......»»
Physicists arrange atoms in close proximity, paving way for exploring exotic states of matter
Proximity is key for many quantum phenomena, as interactions between atoms are stronger when the particles are close. In many quantum simulators, scientists arrange atoms as close together as possible to explore exotic states of matter and build new.....»»
Researcher creates optical magnetometer prototype that detects errors in MRI scans
Hvidovre Hospital has the world's first prototype of a sensor capable of detecting errors in MRI scans using laser light and gas. The new sensor, developed by a young researcher at the University of Copenhagen and Hvidovre Hospital, can thereby do wh.....»»
Significant new discovery in teleportation research: Noise can improve the quality of quantum teleportation
Researchers have succeeded in conducting an almost perfect quantum teleportation despite the presence of noise that usually disrupts the transfer of quantum state. The results have been published in the journal Science Advances......»»
Study unveils 3D printing PQD-polymer architectures at room temperature
A technology enabling the fabrication of intricate three-dimensional (3D) quantum dot (QD)-based structures at room temperature has been developed......»»
New work reveals the "quantumness" of gravity
Gravity is part of our everyday life. Still, the gravitational force remains mysterious: to this day we do not understand whether its ultimate nature is geometrical, as Einstein envisaged, or governed by the laws of quantum mechanics......»»
Researchers build new device that is a foundation for quantum computing
Scientists led by the University of Massachusetts Amherst have adapted a device called a microwave circulator for use in quantum computers, allowing them for the first time to precisely tune the exact degree of nonreciprocity between a qubit, the fun.....»»
Generating graph states of atomic ensembles via photon-mediated entanglement
Graph states, a class of entangled quantum states that can be represented by graphs, have been the topic of numerous recent physics studies, due to their intriguing properties. These unique properties could make them particularly promising for quantu.....»»
Scientists show that there is indeed an "entropy" of quantum entanglement
Bartosz Regula from the RIKEN Center for Quantum Computing and Ludovico Lami from the University of Amsterdam have shown, through probabilistic calculations, that there is indeed, as had been hypothesized, a rule of entropy for the phenomenon of quan.....»»
Polestar delays SEC filing, says it needs to review "certain errors" in previous financial statements
Polestar said it believes the historical errors are expected to "positively impact net loss by less than five percent for 2021, and negatively impact net loss by less than five percent.".....»»
Researchers discover "topological Kerr effect" in two-dimensional quantum magnets
In a recent collaboration between the High Magnetic Field Center of the Hefei Institutes of Physical Science of Chinese Academy of Sciences, and the University of Science and Technology of China, researchers introduced the concept of the topological.....»»
How to fix the ‘Not Registered on Network’ error on a Samsung Galaxy phone
Have a Samsung phone? Seeing an annoying Not Registered on Network error and unsure what to do about it? Here's everything you need to know to fix it......»»
The end of the quantum tunnel: Exact instanton transseries for quantum mechanics
In the quantum world, processes can be separated into two distinct classes. One class, that of the so-called "perturbative" phenomena, is relatively easy to detect, both in an experiment and in a mathematical computation. Examples are plentiful: the.....»»
Unveiling a new quantum frontier: Frequency-domain entanglement
Scientists have introduced a form of quantum entanglement known as frequency-domain photon number-path entanglement. This advance in quantum physics involves an innovative tool called a frequency beam splitter, which has the unique ability to alter t.....»»