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You Can Measure This Fundamental Quantum Constant Using LEDs

Planck’s constant helps us understand atomic-sized things. One of the best ways to grok it is through this experiment involving different colors of light......»»

Category: gadgetSource:  wiredOct 20th, 2021

The point of no return: Chromatin enforces cell fate decisions

Stem cells balance self-renewal with differentiation into mature cells. A fundamental and intriguing question is when during the process of maturation a cell reaches a "point of no return," losing its capacity to self-renew and becoming committed to.....»»

Category: topSource:  physorgRelated News12 hr. 33 min. ago

Shrinking qubits for quantum computing with atom-thin materials

For quantum computers to surpass their classical counterparts in speed and capacity, their qubits—which are superconducting circuits that can exist in an infinite combination of binary states—need to be on the same wavelength. Achieving this, how.....»»

Category: topSource:  physorgRelated NewsNov 30th, 2021

Finnish Researchers Say Their First Quantum Computer Is Up and Running

Finland's first quantum computer was commissioned at a research center near the capital Helsinki, where scientists will use it to study next-generation computing power. From a report: The 5 quantum-bit computer was developed "to learn how to build a.....»»

Category: topSource:  slashdotRelated NewsNov 30th, 2021

Quantum computers getting connected for multiple task-optimized smaller systems

A promising route towards larger quantum computers is to orchestrate multiple task-optimized smaller systems. To dynamically connect and entangle any two systems, photonic interference emerges as a powerful method, due to its compatibility with on-ch.....»»

Category: topSource:  physorgRelated NewsNov 30th, 2021

Physicists create time crystals with quantum computers

There is a huge global effort to engineer a computer capable of harnessing the power of quantum physics to carry out computations of unprecedented complexity. While formidable technological obstacles still stand in the way of creating such a quantum.....»»

Category: topSource:  physorgRelated NewsNov 30th, 2021

Virtual reality tool to be used in the fight against disease

Science has the technology to measure the activity of every gene within a single individual cell, and just one experiment can generate thousands of cells worth of data. Researchers have now revolutionized the way this data is analyzed -- by using 3D.....»»

Category: biomedSource:  sciencedailyRelated NewsNov 30th, 2021

Study: Humpback whale song is about finding, not attracting, whales

Think of common courtship displays in the animal kingdom, like the flashy display of a peacock's tail or the treetop melody of a songbird's tune. Each is relatively constant. The brilliant colors in a male peacock's plumage do not change during its a.....»»

Category: topSource:  physorgRelated NewsNov 30th, 2021

New microscopy technique for quantum simulation

Researchers from the Institute of Laser Physics at Universität Hamburg have developed a new technique for quantum gas microscopy that now allows imaging of three-dimensional quantum systems. In the journal Nature, they report on the new method, whic.....»»

Category: topSource:  physorgRelated NewsNov 30th, 2021

How the act of measuring a quantum particle transforms it into an everyday object

The quantum world and our everyday world are very different places. In a publication that appeared as the "Editor's Suggestion" in Physical Review A this week, UvA physicists Jasper van Wezel and Lotte Mertens and their colleagues investigate how the.....»»

Category: topSource:  physorgRelated NewsNov 30th, 2021

Why the [expletive] can’t we travel back in time?

If the inability to time travel were a fundamental part of our Universe, you’d expect equally fundamental physics behind that rule. Enlarge (credit: David Silverman / Staff) Look, we’re not totally ignorant about time. We.....»»

Category: topSource:  arstechnicaRelated NewsNov 30th, 2021

COVID-19 testing kits also can measure oral microbiome in saliva

COVID-19 saliva testing kits that include a novel preservative can also be used measure microscopic organisms in the mouth, a new study has found. This enables study of the relationship between mouth and lung microbes and the SARS-CoV-2 virus that ma.....»»

Category: biomedSource:  sciencedailyRelated NewsNov 29th, 2021

A catalytic recipe for transforming quantum states

Quantum physicists at the University of Warsaw have discovered new applications for quantum catalysis—the quantum equivalent of chemical catalysis used in industry—revealing that quantum catalysts are useful in many more setups than previously kn.....»»

Category: topSource:  physorgRelated NewsNov 29th, 2021

Researchers propose a simpler design for quantum computers

Today's quantum computers are complicated to build, difficult to scale up, and require temperatures colder than interstellar space to operate. These challenges have led researchers to explore the possibility of building quantum computers that work us.....»»

Category: topSource:  physorgRelated NewsNov 29th, 2021

Leading researchers publish new definition of quantum nanoscience

The scale of investment in quantum computation, simulation and sensing is growing at a tantalizing pace. Harnessing the nanoscale to engineer useful quantum effects is a transformative capability of huge relevance to industries and governments. By su.....»»

Category: topSource:  physorgRelated NewsNov 29th, 2021

Researchers team up to clearer picture of molten salts

Researchers at the Department of Energy's Oak Ridge, Brookhaven and Idaho national laboratories and Stony Brook University have developed a novel approach to gain fundamental insights into molten salts, a heat transfer medium important to advanced en.....»»

Category: topSource:  physorgRelated NewsNov 29th, 2021

Programmable interaction between quantum magnets

The forces between particles, atoms, molecules, or even macroscopic objects like magnets are determined by the interactions of nature. For example, two closely lying bar magnets realign themselves under the influence of magnetic forces. A team led by.....»»

Category: topSource:  physorgRelated NewsNov 29th, 2021

How Foundation preserved Asimov’s big ideas while bringing the story to vivid life

Ars chats with showrunner David S. Goyer and science advisor Kevin Hand Enlarge / The only constant is change in Apple TV's adaptation of Isaac Asimov's Foundation (credit: YouTube/Apple TV+) When showrunner David S. Goyer too.....»»

Category: topSource:  arstechnicaRelated NewsNov 28th, 2021

US stops trading with eight Chinese quantum computing groups

All eight entities developing quantum computing technologies were found to be pursuing potential military applications on behalf of the Chinese government. Three of them were found to be acquiring or attempting to acquire American technologies to ass.....»»

Category: topSource:  techspotRelated NewsNov 27th, 2021

Newly improved quantum algorithm performs full configuration interaction calculations without controlled time evolutions

In a continuing effort to improve upon previous work, a research team at the Graduate School of Science, Osaka City University, has applied its recently developed Bayesian phase difference estimation quantum algorithm to perform full configuration in.....»»

Category: topSource:  theglobeandmailRelated NewsNov 26th, 2021

Humans have broken a fundamental law of the ocean

Industrial fishing messes with strange but stable pattern of undersea creatures. Enlarge / Microphotograph of thalassiothrix frauenfeldii, Thalassionemataceae, phytoplankton. (credit: De Agostini Picture Library | Getty Images).....»»

Category: topSource:  arstechnicaRelated NewsNov 26th, 2021