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Jun 6, 2024

Google DeepMind used a large language model to solve an unsolved math problem

Posted by in categories: mathematics, robotics/AI

They had to throw away most of what it produced but there was gold among the garbage.

Jun 6, 2024

Unlocking the Power of Quantum Computing

Posted by in categories: computing, engineering, quantum physics

It seems like over the past few years, Quantum is being talked about more and more. We’re hearing words like qubits, entanglement, super position, and quantum computing. But what does that mean … and is quantum science really that big of a deal? Yeah, it is.

It’s because Quantum science has the potential to revolutionize our world. From processing data to predicting weather, to picking stocks or even discovering new medical drugs. Quantum, specifically quantum computers, could solve countless problems.

Continue reading “Unlocking the Power of Quantum Computing” »

Jun 6, 2024

How photonic is preparing to scale quantum computing to realize its transformative potential

Posted by in categories: computing, quantum physics

In an interview Dr Stephanie Simmons, Chief Quantum Officer of Photonic, explains the need to scale quantum computers and their approach to tackling this challenge to pave the way for reliable, large-scale quantum computing.

For quantum computers to move from laboratory to commercialization, these devices will need to scale to millions of qubits.

Scaling quantum computers is critical to unlocking exponential speed-ups to help solve some of the world’s biggest problems and unlock its greatest opportunities, said Stephanie Simmons, CQO of Photonic, a company focused on using its photonically linked spin qubits in silicon to build a scalable, fault-tolerant and distributed quantum system.

Jun 6, 2024

Can an emerging field called ‘neural systems understanding’ explain the brain?

Posted by in categories: neuroscience, robotics/AI

Perhaps.


This mashup of neuroscience, artificial intelligence and even linguistics and philosophy of mind aims to crack the deep question of what ‘understanding’ is, however un-brain-like its models may be.

Jun 6, 2024

Understanding Neural Network And Deep Learning

Posted by in category: robotics/AI

Discover the power of neural network and deep learning, how they mimic the human brain, and their applications in artificial intelligence and machine learning.

Jun 6, 2024

First DESI results shine a light on Hubble tension

Posted by in categories: cosmology, particle physics, robotics/AI

The expansion of the universe has been a well-established fact of physics for almost a century. By the turn of the millennium the rate of this expansion, referred to as the Hubble constant (H 0), had converged to a value of around 70 km s –1 Mpc –1. However, more recent measurements have given rise to a tension: whereas those derived from the cosmic microwave background (CMB) cluster around a value of 67 km s –1 Mpc –1, direct measurements using a local distance-ladder (such as those based on Cepheids) mostly prefer larger values around 73 km s –1 Mpc –1. This disagreement between early-and late-universe measurements, respectively, stands at the 4–5 σ level, thereby calling for novel measurements.

One such source of new information are large galaxy surveys, such as the one currently being performed by the Dark Energy Spectroscopic Instrument (DESI). This Arizona-based instrument uses 5,000 individual robots that optimise the focal plane of the detector to allow it to measure 5,000 galaxies at the same time. The goal of the survey is to provide a detailed 3D map, which can be used to study the evolution of the universe by focussing on the distance between galaxies. During its first year of observation, the results of which have now been released, DESI has provided a catalogue of millions of objects.

Small fluctuations in the density of the early universe resulted not only in signatures in the CMB, as measured for example by the Planck probe, but also left imprints in the distribution of baryonic matter. Each over-dense region is thought to contain dark matter, baryonic matter and photons. The gravitational force from dark matter on the baryons is countered by radiation pressure from the photons. From the small over-densities, baryons are dragged along by photon pressure until these two types of particles decoupled during the recombination era. The original location of the over-density is surrounded by a sphere of baryonic matter, which typically is at a distance referred to as the sound horizon. The sound horizon at the moment of decoupling, denoted r d, leaves an imprint that has since evolved to produce the density fluctuations in the universe that seeded large-scale structures.

Jun 6, 2024

Scientist advance simulation of metal-organic frameworks with machine learning

Posted by in category: robotics/AI

Hydrogen storage, heat conduction, gas storage, CO2 and water sequestration—metal-organic frameworks (MOFs) have extraordinary properties due to their unique structure in the form of microporous crystals, which have a very large surface area despite their small size. This makes them extremely interesting for research and practical applications. However, MOFs are very complex systems that have so far required a great deal of time and computing power to simulate accurately.

Jun 6, 2024

Can AI Learn Like Us? Unveiling the Secrets of Spiking Neural Networks

Posted by in category: robotics/AI

Recent MBZUAI Ph.D. graduate Hilal Mohammad Hilal AlQuabeh aims to raise the bar in AI by helping neural networks learn smarter.

Jun 6, 2024

“Sparks of Chemical Intuition”—and Gross Limitations!—in AlphaFold 3

Posted by in categories: chemistry, robotics/AI

Observations after 3 weeks of DeepMind releasing its hitherto most advanced model for biomolecular structure prediction.

Jun 6, 2024

Calcium oxide’s quantum secret: nearly noiseless qubits

Posted by in categories: chemistry, computing, engineering, particle physics, quantum physics

Calcium oxide is a cheap, chalky chemical compound commonly used in the manufacturing of cement, plaster, paper, and steel. But the material may soon have a more high-tech application.

UChicago Pritzker School of Molecular Engineering researchers and their collaborator in Sweden have used theoretical and computational approaches to discover how tiny, lone atoms of bismuth embedded within solid calcium oxide can act as qubits — the building blocks of quantum computers and quantum communication devices.

These qubits are described in Nature Communications (“Discovery of atomic clock-like spin defects in simple oxides from first principles”).

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