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About Rachel Harken

Rachel Harken is a science writer for the Oak Ridge Leadership Computing Facility.
Latest Posts | By Rachel Harken
Chromosome Connectors Take Center Stage for ORNL Scientists Studying Poplar
2 weeks ago

Chromosome Connectors Take Center Stage for ORNL Scientists Studying Poplar

By  •  2 weeks ago  •  Featured, Science

The black cottonwood tree, or Populus trichocarpa (poplar), serves as a model organism for scientists studying the structure, growth, development, and genetics of plants. Poplar was the first tree genome scientists …
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ORNL Staff Highlight OpenACC’s Role in HPC at Annual Meeting
1 month ago

ORNL Staff Highlight OpenACC’s Role in HPC at Annual Meeting

By  •  1 month ago  •  Events

OpenMP and OpenACC are widely used directive-based application program interfaces (APIs) that allow computer scientists and engineers to program applications on shared memory and accelerator architectures on high-performance computing (HPC) …
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GPUs Power GE Code at OLCF Hackathons
1 month ago

GPUs Power GE Code at OLCF Hackathons

By  •  1 month ago  •  Featured, Science

The ability to simulate turbulent phenomena using high-performance computing (HPC) can provide industry with important insights for efficient engine design. Second only to the ability to perform these critical simulations …
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ORNL-VA Collaboration Targets Veteran Suicide Epidemic
2 months ago

ORNL-VA Collaboration Targets Veteran Suicide Epidemic

By  •  2 months ago  •  Featured, Science

More than 6,000 veterans died by suicide in 2016, and from 2005 to 2016, the rate of veteran suicides in the United States increased by more than 25 percent.

Suicide …
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From Simulation to Automation in a Data-Rich World
2 months ago

From Simulation to Automation in a Data-Rich World

By  •  2 months ago  •  Featured, Science

In a farewell nod to Titan, scheduled to be decommissioned in August 2019, we present a short series of features highlighting some of Titan’s impactful contributions to scientific research.

Long …
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Second “Introduce Your Daughter to AI” Event Is a Hit
4 months ago

Second “Introduce Your Daughter to AI” Event Is a Hit

By  •  4 months ago  •  People

The Women in Computing (WiC) networking group at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) hosted its second “Introduce Your Daughter to AI” workshop on June …
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ORNL Staff Plug into Tech Day
4 months ago

ORNL Staff Plug into Tech Day

By  •  4 months ago  •  People

Last month, the US Department of Labor’s (DOL’s) Tech Day 2019 put federal agencies’ emerging technologies on display for the public, highlighting developments in 3D printing, cybersecurity, virtual reality, and …
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TechInt Develops New Solutions for Storage on Summit
4 months ago

TechInt Develops New Solutions for Storage on Summit

By  •  4 months ago  •  Technology

The computational users running scientific codes on the Oak Ridge Leadership Computing Facility’s (OLCF’s) 200-petaflop IBM AC922 Summit supercomputer are generating more data than ever. To handle this data explosion, …
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Science at Exascale: Molecular Dynamics for Materials
5 months ago

Science at Exascale: Molecular Dynamics for Materials

By  •  5 months ago  •  Science

Frontier is an exascale computer planned for delivery at the Oak Ridge Leadership Computing Facility in 2021. The system will support a wide range of scientific applications for advanced modeling …
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Science at Exascale: 3D Printing
5 months ago

Science at Exascale: 3D Printing

By  •  5 months ago  •  Science

Frontier is an exascale computer planned for delivery at the Oak Ridge Leadership Computing Facility in 2021. The system will support a wide range of scientific applications for advanced modeling …
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Science at Exascale: The Future of Fusion Modeling
5 months ago

Science at Exascale: The Future of Fusion Modeling

By  •  5 months ago  •  Science

Frontier is an exascale computer planned for delivery at the Oak Ridge Leadership Computing Facility in 2021. The system will support a wide range of scientific applications for advanced modeling …
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OLCF Scientist Talks Early Summit Results at APS Meeting
6 months ago

OLCF Scientist Talks Early Summit Results at APS Meeting

By  •  6 months ago  •  People

Bronson Messer, a computational scientist at the Oak Ridge Leadership Computing Facility (OLCF), gave an invited talk at the American Physical Society’s (APS’s) “Quarks to the Cosmos” April meeting in …
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