Pacific Northwest National Laboratory
@PNNLab
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An @ENERGY national lab advancing the frontiers of scientific discovery, improving energy resiliency, and enhancing national security.
Richland
Joined May 2013
What does PNNL’s outgoing lab director Steve Ashby have in common with a T-Rex? 🦖 Neither give up in pursuit of their goals.
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Partnering with federal agencies and industry partners, PNNL scientists will work to secure the global space ecosystem. Learn more:
pnnl.gov
PNNL brings its expertise to the space domain by joining an organization that facilitates collaboration across the global space industry.
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Taking our nuclear and cybersecurity expertise to new heights 🚀 We're proud to be the first national lab to join the Space Information Sharing and Analysis Center.
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What is the secret to success at a national lab? 🥼 As Steve Ashby prepares to step aside as PNNL director, he shares career advice for those seeking opportunities at national labs.
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Is your tactical brand on national TV? It could be. Some of the smartest names in the space are finding new ways to reach their ideal customers—and make an impression. See how you can too.
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Did you know that PNNL’s roots began with the establishment of the @HanfordSite in 1943? Tom Brouns, director of our environmental management sector, gives us a history lesson in honor of #60YearsOfPNNL.
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This research could have profound implications for preserving deeply frozen biological tissue samples, forecasting ice behavior for aviation and vehicle safety, and understanding the movement of glaciers. 🧊 Learn more:
pnnl.gov
Ice crystals are surprisingly tolerant of defects in their structure. The findings come from the first-ever molecular-resolution observations of nanoscale samples of ice frozen from liquid water.
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👀 Watch how the same nanoscale forces shape both ice crystals and snowflakes. PNNL researchers just recorded the first-ever molecular scale video of ice forming from liquid water over a century after this snowflake was photographed. ❄️
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Using memory with LLMs reduces token usage 60-80% (depending on the memory solution you choose), while improving context and accuracy. If you use Memori OSS, you will have 80% savings, token usage and total costs drop to 20% of the original: $11.25 → $2.25 per 1 M tokens
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As Steven Ashby prepares to step aside as PNNL's director after 10 years at the helm, he reflects upon the positive impact that national labs have on the nation and the world. 🌎
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Steve Ashby shares what he's most proud of as he prepares to step aside as PNNL director.
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The new technique will help manufacturers produce the same components with lighter materials, stronger welds, and lower energy costs. ⚡ Learn more:
pnnl.gov
A breakthrough at PNNL could free friction stir from current constraints—and open the door for increased use of the advanced manufacturing technique on commercial assembly lines.
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A robotic arm known affectionately as Bubba is helping PNNL researchers bring a new manufacturing technique called "self-fixturing friction stir welding" to assembly lines. 🤖🦾
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Day in the Life 🖥️🔋 Materials scientist Ruozhu Feng shares how she incorporates AI into her work with redox flow batteries.
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@GovNuclear Learn how high burnup fuels could boost the performance of our nation’s nuclear power fleet:
pnnl.gov
Researchers have begun a series of experiments that could bring about more energy for grid, thanks to a special delivery of 11 "high burnup" rods.
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👀 Behind the scenes of a special nuclear materials delivery A series of @GovNuclear-funded experiments underway at PNNL may inform how future fuels are designed.
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What is a national lab? 👩🔬 Outgoing director Steve Ashby explains.
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Award-winning inventor Doug McMakin reveals the origin story of the “PNNL salute.” 🙌 #60YearsofPNNL
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Incoming PNNL director Debbie Gracio joined current director Steven Ashby at SLAC for the 2025 National Laboratory Directors' Council Summit.
The National Laboratory Directors' Council Summit 2025 took place at SLAC this week! Mike Witherall (@LBNL), Thomas Mason (@LosAlamosNatLab), Deborah Gracio & Steven Ashby (@PNNLab), SLAC’s John Sarrao, John Wagner (@INL), Timothy Meyer (@PPPLab), & Jens Dilling (@JLab_News):
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“As we reflect on the anniversary of 9/11 and those lost or forever impacted, let us acknowledge the selflessness of those who protect us from threats domestic and foreign, including our first responders, law enforcement, and armed forces.” —Dr. Steven Ashby, Laboratory Director
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Chief computer scientist Mahantesh Halappanavar shares three major shifts he’s seen in his field during his time at PNNL. #60YearsOfPNNL
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