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About Rachel McDowell

Rachel McDowell is a science writer for the Oak Ridge Leadership Computing Facility.
Latest Posts | By Rachel McDowell
Computational Staff at ORNL among Those Recognized with DOE Secretary’s Honor Awards
1 year ago

Computational Staff at ORNL among Those Recognized with DOE Secretary’s Honor Awards

By  •  1 year ago  •  People

Thirty-two employees at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) were named among teams recognized by former DOE Secretary Dan Brouillette with Secretary’s Honor Awards as …
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Supercomputers Aid Scientists Studying the Smallest Particles in the Universe
1 year ago

Supercomputers Aid Scientists Studying the Smallest Particles in the Universe

By  •  1 year ago  •  Featured, Science

Since the 1930s, scientists have been using particle accelerators to gain insights into the structure of matter and the laws of physics that govern our world. Today, these accelerators are …
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A New Approach for Bigger and Better Earthquake Modeling
1 year ago

A New Approach for Bigger and Better Earthquake Modeling

By  •  1 year ago  •  Featured, Science

This story was originally written by Aaron Dubrow at the Texas Advanced Computer Center and adapted by Rachel McDowell for the Oak Ridge Leadership Computing Facility.

A randomly selected …
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Former National Center for Computational Sciences Director James Hack Retires from 40-Year Computing Career
1 year ago

Former National Center for Computational Sciences Director James Hack Retires from 40-Year Computing Career

By  •  1 year ago  •  Featured, People

Delivering scientific breakthroughs on the world’s most powerful supercomputers requires leaders with the experience and knowledge of how to run the high-performance computing (HPC) centers that house them. That’s precisely …
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University of Delaware Team Tightens up Code for Exascale Computing on Frontier
1 year ago

University of Delaware Team Tightens up Code for Exascale Computing on Frontier

By  •  1 year ago  •  Featured, Science

This article was originally written by Tracey Bryant, Senior Director for Research Communications at the University of Delaware.

What’s it like designing an app for the world’s fastest supercomputer, set to come …
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Jupyter Has Landed at the OLCF
2 years ago

Jupyter Has Landed at the OLCF

By  •  2 years ago  •  Technology

To analyze and process scientific data, researchers often employ Jupyter notebooks, interactive web documents that host snippets of code written in statistical programming languages such as Python (or R or Julia). …
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Simulations Reveal Nature’s Design for Error Correction During DNA Replication
2 years ago

Simulations Reveal Nature’s Design for Error Correction During DNA Replication

By  •  2 years ago  •  Featured, Science

DNA replication is one of the most important processes in biology, responsible for ensuring that a cell’s genetic material is copied over to new cells efficiently during cell division. But …
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OLCF Reaches New Heights with Andes Cluster
2 years ago

OLCF Reaches New Heights with Andes Cluster

By  •  2 years ago  •  Technology

Staff members at the Oak Ridge Leadership Computing Facility (OLCF) have replaced the center’s Rhea data analysis cluster with a brand-new AMD-based system dubbed Andes.

For 6 faithful years, Rhea …
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Distinct ACM Gordon Bell Prizes Awarded to Two Teams Using the Summit Supercomputer
2 years ago

Distinct ACM Gordon Bell Prizes Awarded to Two Teams Using the Summit Supercomputer

By  •  2 years ago  •  Science

Today at the 2020 International Conference for High Performance Computing, Networking, Storage and Analysis, or SC20, virtual conference, two deserving teams were awarded two distinguished prizes for research conducted on …
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Multi-Institutional Team Earns Gordon Bell Special Prize Finalist Nomination for Rapid COVID-19 Molecular Docking Simulations
2 years ago

Multi-Institutional Team Earns Gordon Bell Special Prize Finalist Nomination for Rapid COVID-19 Molecular Docking Simulations

By  •  2 years ago  •  Featured, Science

One of the biggest challenges of drug discovery lies in the fact that scientists must search through an almost infinite space of chemical compounds to find one that might be …
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Gordon Bell Special Prize Finalist Team Reveals AI Workflow for Molecular Systems in the Era of COVID-19
2 years ago

Gordon Bell Special Prize Finalist Team Reveals AI Workflow for Molecular Systems in the Era of COVID-19

By  •  2 years ago  •  Science

Since a team at the University of Texas at Austin and the National Institutes of Health first mapped the SARS-CoV-2 spike protein—the main infection machinery of the virus that causes …
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Two Finalists Nominated for Gordon Bell Special Prize for COVID-19 Work on Summit
2 years ago

Two Finalists Nominated for Gordon Bell Special Prize for COVID-19 Work on Summit

By  •  2 years ago  •  Science

Every year at the International Conference for High Performance Computing, Networking, Storage and Analysis (SC), one deserving team is awarded the Association for Computing Machinery (ACM) Gordon Bell Prize to …
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OLCF to Trial Long-Awaited Fujitsu Processors in Arm-Based Test Bed System
2 years ago

OLCF to Trial Long-Awaited Fujitsu Processors in Arm-Based Test Bed System

By  •  2 years ago  •  Technology

The Oak Ridge Leadership Computing Facility (OLCF) has upgraded its Arm-based test system, Wombat, equipping it with the HPE Apollo 80 system that uses the same processor architecture found in …
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OLCF Launches New User Portal, myOLCF
2 years ago

OLCF Launches New User Portal, myOLCF

By  •  2 years ago  •  Technology

In the past, users of the supercomputing resources at the Oak Ridge Leadership Computing Facility (OLCF) have accessed information about their computing projects through a static portal that provides metrics …
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Summit Uncovers Details of Molecular Ferris Wheels Inside Cell Structures
2 years ago

Summit Uncovers Details of Molecular Ferris Wheels Inside Cell Structures

By  •  2 years ago  •  Featured, Science

Using the Summit supercomputer at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL), a team at the Arizona State University Biodesign Institute has confirmed details of a …
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NCCS’ James Simmons Recognized as Top Lustre Contributor of the Decade
2 years ago

NCCS’ James Simmons Recognized as Top Lustre Contributor of the Decade

By  •  2 years ago  •  People

The National Center for Computational Sciences’ (NCCS’s) James Simmons was recognized by the Open Scalable File Systems, Inc. (OpenSFS) organization at the virtual user meeting on September 9 as the …
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