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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
Titan Speeds Inquiry into Engine Alloys That Can Take the Heat
1 month ago

Titan Speeds Inquiry into Engine Alloys That Can Take the Heat

By  •  1 month ago  •  Science

Simulations performed on the Cray XK7 Titan supercomputer at the Oak Ridge Leadership Computing Facility (OLCF) filled in a knowledge gap about high-temperature–capable alloys and inspired engineers to successfully develop …
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Faces of Summit: Getting Acclimated
1 month ago

Faces of Summit: Getting Acclimated

By  •  1 month ago  •  People

The Faces of Summit series shares stories of the people behind America’s top supercomputer for open science, the Oak Ridge Leadership Computing Facility’s Summit. The IBM AC922 machine launched in …
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SmartTruck Steps Up Simulations for Certification by Computation
2 months ago

SmartTruck Steps Up Simulations for Certification by Computation

By  •  2 months ago  •  Featured, Science

Long-haul tractor trailers, often referred to as “18-wheelers,” transport everything from household goods to supermarket foodstuffs across the United States every year. According to the Bureau of Transportation Statistics, these …
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Faces of Summit: Creating a Green Summit
2 months ago

Faces of Summit: Creating a Green Summit

By  •  2 months ago  •  People

The Faces of Summit series shares stories of the people behind America’s top supercomputer for open science, the Oak Ridge Leadership Computing Facility’s Summit. The IBM AC922 machine launched in …
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Transforming Gas into Fuels with Better Alloys
3 months ago

Transforming Gas into Fuels with Better Alloys

By  •  3 months ago  •  Featured, Science

Technological advances in oil and gas well stimulation over the past decade now allow for the production of natural gas from shale gas trapped in rock formations underground. With the …
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Titan Helps Scientists Fine-Tune Laser Interactions to Advance Cancer Treatments
3 months ago

Titan Helps Scientists Fine-Tune Laser Interactions to Advance Cancer Treatments

By  •  3 months ago  •  Featured, Science

Along with surgery and chemotherapy, radiation therapy is one of the most widely accepted forms of cancer therapy today. Current radiation beams for cancer treatments employ photons (light particles), positively …
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Introduce Your Daughter to AI Event Sees OLCF Participation
3 months ago

Introduce Your Daughter to AI Event Sees OLCF Participation

By  •  3 months ago  •  People

Last month staff members at the Oak Ridge Leadership Computing Facility (OLCF), a US Department of Energy (DOE) Office of Science User Facility located at DOE’s Oak Ridge National Laboratory (ORNL), facilitated a …
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Buddy Bland Presented with Secretary’s Appreciation Award
4 months ago

Buddy Bland Presented with Secretary’s Appreciation Award

By  •  4 months ago  •  People

 

Arthur “Buddy” Bland, program director of the Oak Ridge Leadership Computing Facility (OLCF) at the Department of Energy’s Oak Ridge National Laboratory, has received the Secretary’s Appreciation Award for …
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OLCF Readies Users for Summit
4 months ago

OLCF Readies Users for Summit

By  •  4 months ago  •  People

Now that the Oak Ridge Leadership Computing Facility (OLCF) has launched its IBM AC922 Summit supercomputer, staff members in the OLCF’s User Assistance and Outreach (UAO) Group are planning robust …
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Energy Secretary Rick Perry Attends ORNL Debut of Summit Supercomputer
4 months ago

Energy Secretary Rick Perry Attends ORNL Debut of Summit Supercomputer

By  •  4 months ago  •  Featured, People

The US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) launched the IBM AC922 Summit, the world’s most powerful and smartest scientific supercomputer, on June 8. Guests present to celebrate …
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Faces of Summit: Leading a Systems Expedition
5 months ago

Faces of Summit: Leading a Systems Expedition

By  •  5 months ago  •  People

The Faces of Summit series shares stories of the people behind America’s top supercomputer for open science, the Oak Ridge Leadership Computing Facility’s Summit. The IBM AC922 machine launched in …
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ADIOS and BigData Express Offer New Data Streaming Capabilities
5 months ago

ADIOS and BigData Express Offer New Data Streaming Capabilities

By  •  5 months ago  •  Technology

Projects large enough to run on high-performance computing (HPC) resources pack data—and a lot of it. Transferring this data between computational and experimental facilities is a challenging but necessary part …
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