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Archive for the ‘computing’ category: Page 134

Jan 3, 2024

Researchers create first functional semiconductor made from graphene

Posted by in categories: computing, particle physics

Researchers at the Georgia Institute of Technology have created the world’s first functional semiconductor made from graphene, a single sheet of carbon atoms held together by the strongest bonds known. Semiconductors, which are materials that conduct electricity under specific conditions, are foundational components of electronic devices. The team’s breakthrough throws open the door to a new way of doing electronics.

Their discovery comes at a time when , the material from which nearly all modern electronics are made, is reaching its limit in the face of increasingly faster computing and smaller electronic devices.

Continue reading “Researchers create first functional semiconductor made from graphene” »

Jan 2, 2024

Quantum thermal transistors: Harnessing quantum measurement and feedback

Posted by in categories: computing, quantum physics

Researchers are actively engaged in the dynamic manipulation of quantum systems and materials to realize significant energy management and conservation breakthroughs.

This endeavor has catalyzed the development of a cutting-edge platform dedicated to creating quantum thermal machines, thereby unlocking the full potential of quantum technologies in advanced energy solutions.

Jan 2, 2024

Microsoft Needs to Get Serious About Its Windows 10 Upgrade Problem

Posted by in category: computing

By October 2025, more than a billion PCs will be running a dead operating system, leaving many computers vulnerable to malware or headed for the trash. What’s Microsoft going to do about it?

Dec 31, 2023

Apple research paper hints at LLMs on iPhones and Macs

Posted by in categories: computing, mobile phones

A new technique by Apple researchers enables edge devices to run LLMs that are too large to load on DRAM by dynamically loading them from flash memory.

Dec 31, 2023

Geometric origin of intrinsic dark counts in superconducting nanowire single-photon detectors

Posted by in categories: computing, nanotechnology, quantum physics

In a recent leap forward for quantum computing and optical technologies, researchers have uncovered an important aspect of photon detection. Superconducting nanowire single-photon detectors (SNSPDs), pivotal in quantum communication and advanced optical systems, have long been hindered by a phenomenon known as intrinsic dark counts (iDCs). These spurious signals, occurring without any real photon trigger, significantly impact the accuracy and reliability of these detectors.

Understanding and mitigating iDCs are crucial for enhancing the performance of SNSPDs, which are integral to a wide range of applications, from secure communication to sensitive astronomical observations.

A team headed by Prof. Lixing You and Prof. Hao Li from Shanghai Institute of Microsystem and Information Technology (SIMIT), Chinese Academy of Sciences (CAS) employed a novel differential readout method to investigate the spatial distribution of iDCs in SNSPDs with and without artificial geometric constrictions. This approach allowed for a precise characterization of the spatial origins of iDCs, revealing the significant influence of minute geometric constrictions within the detectors.

Dec 31, 2023

What are Emerging Transistor Technologies: Nanosheets & Nanowires

Posted by in categories: computing, nanotechnology

Embark on a journey into the microscopic world of nanosheets and nanowires, where cutting-edge technology and materials science converge.

Dec 30, 2023

Entangled in Innovation: How Multiphoton Magic Is Revolutionizing Quantum Technology

Posted by in categories: computing, quantum physics

A team of Japanese researchers has discovered significant properties of non-Fock states (iNFS) in quantum technology, revealing their stability through multiple linear optics and paving the way for advancements in optical quantum computing and sensing.

Quantum objects, such as electrons and photons, behave differently from other objects in ways that enable quantum technology. Therein lies the key to unlocking the mystery of quantum entanglement, in which multiple photons exist in multiple modes or frequencies.

In pursuing photonic quantum technologies, previous studies have established the usefulness of Fock states. These are multiphoton, multimode states made possible by cleverly combining a number of one-photon inputs using so-called linear optics. However, some essential and valuable quantum states require more than this photon-by-photon approach.

Dec 30, 2023

RENGE infers gene regulatory networks using time-series single-cell RNA-seq data with CRISPR perturbations

Posted by in categories: biotech/medical, computing

RENGE is a computational method that infers gene regulatory networks using time-series single-cell CRISPR data as input.

Dec 29, 2023

Post-quantum cryptography counters computing like Schrödinger’s Cat

Posted by in categories: business, computing, encryption, government, quantum physics

Businesses and government agencies must scan code for RSA & old protocols, replacing them with post-quantum cryptography to thwart quantum threats to encryption.

Dec 29, 2023

Quantum batteries break causality

Posted by in categories: chemistry, computing, quantum physics, sustainability

Charging quantum batteries in indefinite causal order. In the classical world, if you tried to charge a battery using two chargers, you would have to do so in sequence, limiting the available options to just two possible orders. However, leveraging the novel quantum effect called ICO opens the possibility to charge quantum batteries in a distinctively unconventional way. Here, multiple chargers arranged in different orders can exist simultaneously, forming a quantum superposition. ©2023 Chen et al. CC-BY-ND

Batteries that exploit quantum phenomena to gain, distribute and store power promise to surpass the abilities and usefulness of conventional chemical batteries in certain low-power applications. For the first time, researchers including those from the University of Tokyo take advantage of an unintuitive quantum process that disregards the conventional notion of causality to improve the performance of so-called quantum batteries, bringing this future technology a little closer to reality.

When you hear the word “quantum,” the physics governing the subatomic world, developments in quantum computers tend to steal the headlines, but there are other upcoming quantum technologies worth paying attention to. One such item is the quantum battery which, though initially puzzling in name, holds unexplored potential for sustainable energy solutions and possible integration into future electric vehicles. Nevertheless, these new devices are poised to find use in various portable and low-power applications, especially when opportunities to recharge are scarce.