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FeaturedScience

OLCF’s 2025 in review

In 2025, high-performance computing and rapid advances in artificial intelligence pushed the boundaries of scientific discovery, accelerating progress across a wide spectrum of disciplines. Deep collaborations among leading academic, industrial, and government partners fueled major breakthroughs in areas such as simulating cellular machinery, accelerating AI, integrating quantum and classical computing…
Angela Gosnell
December 22, 2025
Arx2 ORNLFeaturedTechnology

Arx2 Storage System Gets a Powerful Upgrade

The Department of Energy’s Oak Ridge National Laboratory recently upgraded its Scalable Protected Infrastructure (SPI) for CITADEL — the framework of security protocols that protects sensitive data on systems at the Oak Ridge Leadership Computing Facility (OLCF) — by expanding the facility’s Arx2 file storage system. Arx2 was originally installed…
Coury Turczyn
December 18, 2025
FeaturedPeopleScience

OLCF’s Bronson Messer Named APS Fellow

Bronson Messer is the Director of Science at the Oak Ridge Leadership Computing Facility. Credit: Carlos Jones/ORNL, U.S. Dept. of Energy Bronson Messer, a distinguished staff scientist at the Department of Energy’s Oak Ridge Leadership Computing Facility (OLCF) at Oak Ridge National Laboratory, has been named a Fellow of the…
Angela Gosnell
November 14, 2025
FeaturedScience

ORNL, NVIDIA, HPE Advance Quantum Computing, AI, and HPC for Science

The Department of Energy’s Oak Ridge National Laboratory, NVIDIA, and HPE will seek to open new insights into quantum computing and identify potential strategies toward the integration of quantum, artificial intelligence and high-performance computing for scientific discovery. “Maintaining America’s leadership in high-performance computing requires us to build the bridge to…
Matt Lakin
November 3, 2025
OLCF GT CFD simulationFeaturedTechnology

New CFD Methodology Supersizes Results

Using a new computational technique called information geometric regularization (IGR) researchers from the Georgia Institute of Technology and the Courant Institute of Mathematical Sciences at New York University conducted the largest-ever computational fluid dynamics (CFD) simulation of fluid flow on the Frontier supercomputer at the Department of Energy’s Oak Ridge…
Coury Turczyn
September 30, 2025
FeaturedScience

Frontier Simulations Pierce Mysteries of Galactic Nuclei

To probe the mysteries of how galaxies evolve over time, scientists needed a supercomputer with out-of-this-world computational power. The results of a study conducted on the Frontier supercomputer at the Department of Energy’s Oak Ridge National Laboratory offer the clearest portrait so far of how some galaxies regulate the energy produced by supermassive black…
Matt Lakin
September 30, 2025
FeaturedScience

Forging Fusion

The nuclear reactions that fuel the sun could soon be harnessed to generate electricity on Earth — with help from supercomputers at the Department of Energy’s Oak Ridge National Laboratory. Type One Energy Group, a Knoxville-based startup, expects to build the world’s most advanced stellarator fusion device by 2030, with a pilot…
Matt Lakin
September 24, 2025
Frontier digital twinFeaturedPeopleTechnology

OLCF, HPE Team Honored for ExaDigiT Innovation

An ORNL-led team recently received an R&D 100 Award for their work on ExaDigiT, a first-of-its-kind integrated framework that allows up-to-the-second virtual representation of computing centers for maximum performance. A team led by researchers from the Oak Ridge Leadership Computing Facility at the Department of Energy’s Oak Ridge National Laboratory…
Matt Lakin
September 24, 2025
A person talking in a large room with many people sitting at long tables.FeaturedScienceTechnology

Users of Oak Ridge Leadership Computing Facility Gather for 21st Annual Meeting

The Oak Ridge Leadership Computing Facility (OLCF) welcomed computational scientists from around the world to its 2025 OLCF User Meeting at the Department of Energy’s Oak Ridge National Laboratory from Aug. 5 – 6. The event offered attendees an opportunity to share accomplishments, discuss challenges, and explore the road ahead for high-performance computing…
Angela Gosnell
September 9, 2025
Quantum Brilliance at OLCFFeaturedTechnology

Q&A: Inside Quantum Brilliance’s Quantum Computer Technology

With the installation of a Quantum Brilliance system in its Advanced Computing Ecosystem testbed, the Oak Ridge Leadership Computing Facility has an on-site quantum computer cluster for OLCF staff to explore how to integrate this emerging technology into classical high-performance computing, or HPC. While most experimental quantum computers demand extreme…
Coury Turczyn
September 2, 2025
ORNL researchers proposed a software architecture that would integrate emerging quantum computers with the world’s fastest supercomputing systems, such as ORNL’s exascale machine Frontier. Credit: Jason Smith/ORNL, U.S. Dept. of EnergyFeaturedScience

ORNL Study Plans Quantum-HPC Software Stack

A new study by researchers at the Department of Energy’s Oak Ridge National Laboratory traces a blueprint for a software architecture that would integrate emerging quantum computers with the world’s fastest supercomputing systems. Finding an effective approach to pair the two distinct computing platforms has become a prime focus for…
Matt Lakin
August 29, 2025
A group of people standing outside.FeaturedTechnology

ORNL Hosts Inaugural Quantum Systems & Software Workshop

The Department of Energy’s Oak Ridge National Laboratory hosted the first Oak Ridge Quantum Systems & Software Workshop (OQSSw) on July 25, bringing together 75 participants from national laboratories, academia and industry. ORNL organizers launched the workshop as the first step toward building a unified software stack for quantum-classical hybrid computing.…
Angela Gosnell
August 29, 2025