Optimizing continuous-variable functions with quantum annealing
Quantum annealing (QA) is a cutting-edge algorithm that leverages the unique properties of quantum computing to tackle complex combinatorial optimization problems (a class of mathematical problems dealing with discrete-variable functions)......»»
Researchers achieve quantum storage of entangled photons at telecom wavelengths in a crystal
Quantum technologies are currently maturing at a breath-taking pace. These technologies exploit principles of quantum mechanics in suitably engineered systems, with bright prospects such as boosting computational efficiencies or communication securit.....»»
Gaining more control over the fabrication of surface micro/nano structures using ultrafast lasers
Surface functionalization via micro/nano structuring is not only a thriving research area inspired by bionics but also of great importance for various practical applications. The key to achieving various surface functions is the fabrication of surfac.....»»
Investigating and fine-tuning the properties of "magic" graphene
Recent advances in the development of devices made of 2D materials are paving the way for new technological capabilities, especially in the field of quantum technology. So far, however, little research has been carried out into energy losses in stron.....»»
Next-gen computing: Hard-to-move quasiparticles glide up pyramid edges
A new kind of "wire" for moving excitons, developed at the University of Michigan, could help enable a new class of devices, perhaps including room temperature quantum computers......»»
Researchers uncover battery-like functions of mitochondria using super-resolution microscopes
Using new super-resolution microscopes, researchers at the University of California, Irvine and the University of Pennsylvania have for the first time observed electrical charge and discharge functions inside mitochondria isolated from cells......»»
Building cyber resilience for tomorrow’s threats
Cyber resilience is the capacity of an organization to maintain its core functions and swiftly adapt to, respond to, and recover from cyber threats. A cyber-resilient organization recognizes that cyber threats are inevitable and constantly evolves it.....»»
Limits for quantum computers: Perfect clocks are impossible, research finds
There are different ideas about how quantum computers could be built. But they all have one thing in common: you use a quantum physical system—for example, individual atoms—and change their state by exposing them to very specific forces for a spe.....»»
These are the rules I live by when optimizing PC game performance
Optimizing the performance and image quality of PC games isn't easy, but these simple rules can steer you in the right direction......»»
Physicists find evidence of exotic charge transport in quantum material
True to form, a "strange metal" quantum material proved strangely quiet in recent quantum noise experiments at Rice University. Published this week in Science, the measurements of quantum charge fluctuations known as "shot noise" provide the first di.....»»
A universal framework describing the scrambling of quantum information in open systems
In recent years, physicists have been trying to better understand how quantum information spreads in systems of interacting particles—a phenomenon often referred to as "scrambling." Scrambling in closed systems, physical systems that can only excha.....»»
Combining extreme-ultraviolet light sources to resolve a quantum mechanical dissociation mechanism in oxygen molecules
For the first time, researchers have succeeded in selectively exciting a molecule using a combination of two extreme-ultraviolet light sources and causing the molecule to dissociate while tracking it over time. This is another step towards specific q.....»»
Testing the limits of AlphaFold2"s accuracy in predicting protein structure
Proteins, the workhorses of biology, are encoded by DNA sequences and are responsible for vital functions within cells. Since the first experimental measurement of a protein structure was made by John Kendrew in the 1950s, protein's ability to fold i.....»»
Single ions in nano-sized particles: A new platform for quantum information processing
Processing quantum information relies on interacting qubits—the basic building blocks of quantum information—to perform computational tasks. Scientists are searching for the optimal qubit platform that can perform operations more efficiently, acc.....»»
Creating vortices in a superfluid made of light
By using a special combination of laser beams as a very fast stirrer, RIKEN physicists have created multiple vortices in a quantum photonic system and tracked their evolution. This system could be used to explore exotic new physics related to the eme.....»»
Researchers achieve zero-knowledge proof based on device-independent quantum random number beacon
Zero-knowledge proof (ZKP) is a cryptographic tool that allows for the verification of validity between mutually untrusted parties without disclosing additional information. Non-interactive zero-knowledge proof (NIZKP) is a variant of ZKP with the fe.....»»
Organizations’ serious commitment to software risk management pays off
There has been a significant decrease in vulnerabilities found in target applications – from 97% in 2020 to 83% in 2022 – an encouraging sign that code reviews, automated testing and continuous integration are helping to reduce common programming.....»»
Researchers use quantum computing to predict gene relationships
In a new multidisciplinary study, researchers at Texas A&M University showed how quantum computing—a new kind of computing that can process additional types of data—can assist with genetic research and used it to discover new links between genes.....»»
Boomerang-like beams of light: Research makes progress toward observing quantum backflow in two dimensions
Researchers at the University of Warsaw's Faculty of Physics have superposed two light beams twisted in the clockwise direction to create anti-clockwise twists in the dark regions of the resultant superposition. The results of the research have been.....»»
A scientist explains an approaching milestone marking the arrival of quantum computers
Quantum advantage is the milestone the field of quantum computing is fervently working toward, where a quantum computer can solve problems that are beyond the reach of the most powerful non-quantum, or classical, computers......»»
Viewpoint: Being homeless means not being free—as Americans are supposed to be
Homelessness is a state of deprivation. Those who are homeless need shelter to be safe; they don't have it. They need a toilet for basic bodily functions; they don't have one. They need a shower to keep clean; they don't have that, either......»»