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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
Pioneering Frontier: Navigating a New Era
6 months ago

Pioneering Frontier: Navigating a New Era

By  •  6 months ago  •  Featured, People

The “Pioneering Frontier” series features stories profiling the many talented ORNL employees behind the construction and operation of the OLCF’s exascale supercomputer, Frontier. The HPE Cray system will be available …
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Where Worlds Collide
8 months ago

Where Worlds Collide

By  •  8 months ago  •  Featured, Science

Lawrence Berkeley National Laboratory physicists Christian Bauer, Marat Freytsis, and Benjamin Nachman have leveraged an IBM Q quantum computer through the Oak Ridge Leadership Computing Facility’s (OLCF’s) Quantum …
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Pioneering Frontier: Optimizing Materials Models
8 months ago

Pioneering Frontier: Optimizing Materials Models

By  •  8 months ago  •  Featured, People, Science

The “Pioneering Frontier” series features stories profiling the many talented ORNL employees behind the construction and operation of the OLCF’s incoming exascale supercomputer, Frontier. The HPE Cray system was delivered …
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Pioneering Frontier: Stepping Up CANDLE
8 months ago

Pioneering Frontier: Stepping Up CANDLE

By  •  8 months ago  •  Featured, People, Science

The “Pioneering Frontier” series features stories profiling the many talented ORNL employees behind the construction and operation of the OLCF’s incoming exascale supercomputer, Frontier. The HPE Cray system was delivered …
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Forging Ahead with Frontier: Ready to Crush Science
8 months ago

Forging Ahead with Frontier: Ready to Crush Science

By  •  8 months ago  •  Featured, Science

Computational users at the Oak Ridge Leadership Computing Facility (OLCF) are running scientific codes on Frontier’s architecture in the form of a powerful test system at the OLCF called Crusher.


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COVID-19 in the Classroom: Simulating the Spread
9 months ago

COVID-19 in the Classroom: Simulating the Spread

By  •  9 months ago  •  Featured, Science

A team led by Rao Kotamarthi at the US Department of Energy’s (DOE’s) Argonne National Laboratory (Argonne) is using supercomputers at DOE’s Oak Ridge National Laboratory (ORNL) to study how …
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Pioneering Frontier: Standing Up Exascale
10 months ago

Pioneering Frontier: Standing Up Exascale

By  •  10 months ago  •  Featured, People

The “Pioneering Frontier” series features stories profiling the many talented ORNL employees behind the construction and operation of the OLCF’s incoming exascale supercomputer, Frontier. The HPE Cray system was delivered …
Read More

Supercomputing for Swift Protein Modeling
10 months ago

Supercomputing for Swift Protein Modeling

By  •  10 months ago  •  Featured, Science

Uncovering the molecular structures of proteins can help scientists elucidate biological functions of proteins and search for drug candidates for diseases. To better understand proteins, scientists can use imaging techniques …
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Team Taps ORNL’s DataFed to Gain Materials Insights
10 months ago

Team Taps ORNL’s DataFed to Gain Materials Insights

By  •  10 months ago  •  Technology

A team led by to Joshua Agar, a faculty member in Lehigh University’s Department of Materials Science and Engineering, has realized the first live implementation of an innovative data management …
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2021 at the OLCF: Year in Review
11 months ago

2021 at the OLCF: Year in Review

By  •  11 months ago  •  Featured, Science

In 2021, supercomputing at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) enabled new scientific breakthroughs amid the global pandemic.

From modeling small particles called quarks to …
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Closing In on Fusion
12 months ago

Closing In on Fusion

By  •  12 months ago  •  Featured, Science

The same process that fuels stars could one day be used to generate massive amounts of power here on Earth. Nuclear fusion—in which atomic nuclei fuse to form heavier nuclei and release energy in …
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Oak Ridge National Laboratory Supercomputers Support Nobel Prize–Winning Research
12 months ago

Oak Ridge National Laboratory Supercomputers Support Nobel Prize–Winning Research

By  •  12 months ago  •  Featured, Science

In October, a scientist whose research was supported by modeling and simulation efforts on supercomputers at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) shared the Nobel …
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Meet Gina Tourassi, Director of the National Center for Computational Sciences
1 year ago

Meet Gina Tourassi, Director of the National Center for Computational Sciences

By  •  1 year ago  •  Featured, People

This is a continuing profile series on the directors of the Department of Energy (DOE) Office of Science User Facilities. These scientists lead a variety of research institutions that provide …
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Team Earns Gordon Bell Prize Finalist Nomination for Simulating Carbon at Extreme Pressures and Temperatures
1 year ago

Team Earns Gordon Bell Prize Finalist Nomination for Simulating Carbon at Extreme Pressures and Temperatures

By  •  1 year ago  •  Featured, Science

Are diamonds even stronger than we’ve ever imagined? Can other post-diamond phases appear when diamond is subjected to extreme pressures? A team used machine-learned descriptions of interatomic interactions on the …
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We Know #COVIDisAirborne—Now We Have the First Ever Model of an Aerosolized Viral Particle
1 year ago

We Know #COVIDisAirborne—Now We Have the First Ever Model of an Aerosolized Viral Particle

By  •  1 year ago  •  Featured, Science

A team led by Rommie Amaro of the University of California, San Diego (UC San Diego), has used the Summit supercomputer at the US Department of Energy’s (DOE’s) Oak Ridge …
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Team Publishes Massive Dataset Unravelling Details of the Expanding Universe
1 year ago

Team Publishes Massive Dataset Unravelling Details of the Expanding Universe

By  •  1 year ago  •  Featured, Technology

A team led by researchers at the Flatiron Institute and the Center for Astrophysics | Harvard & Smithsonian has published the largest amount of data for a publication to date …
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