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Ujjwol Tamrakar
Staff Page • Electrical Engineer. Biography Ujjwol Tamrakar received the B.E. degree in Electrical Engineering from Tribhuvan University, Nepal, in 2011, and the M.S. degree in Electrical Engineering from South Dakota State University (SDSU), Brookings, SD, USA, in 2015. He received his Ph.D. in Electrical Engineering from SDSU in 2020 and is currently...

Ultrafast beam-steering breakthrough at Sandia Labs
News Article, March 28, 2023 •  In a major breakthrough in the fields of nanophotonics and ultrafast optics, a Sandia National Laboratories research team has demonstrated the ability to dynamically steer light pulses from conventional, so-called incoherent light sources. This ability to control light using a semiconductor device could allow low-power, relatively inexpensive sources like LEDs...
Two researchers stand adjacent to optical equipment emitting red light in a lab

Using the power of the sun to roast green chile
News Article, July 7, 2022 • Greener approach to a New Mexican staple opens possibilities for sustainable food roasting Sandia National Laboratories engineer Kenneth Armijo, who grew up on a chile farm in Sabinal, located between Albuquerque and Socorro, New Mexico, thought there was a “greener” way to roast green chile. The results of his experiments...

Using words to look for glitches
News Article, December 3, 2025 • Large language models as a tool to improve electric grid security Georgios Fragkos presenting his paper at the conference. Detecting anomalies in the electric grid using artificial intelligence could be an effective way to improve the grid’s security and performance. Anomalies, or glitches, can happen in the grid due to...
A man in a suit stands in front of a projected image of a Representation Model of Generative AI

Using X-ray science to hit hydrogen storage targets
News Article, November 7, 2023 • Using soft X-ray techniques available through Berkeley Lab’s Advanced Light Source (ALS), a Sandia team including Mark Allendorf and Farid El Gabaly with collaborators from the Hydrogen Materials Advanced Research Consortium (HyMARC) are probing the chemistry of promising hydrogen storage materials to understand how they absorb and release hydrogen. The...

Valerio De Angelis
Staff Page • Chemical Engineer, System Integration Lead. Biography Dr. De Angelis joined Sandia in 2020 to work on battery modeling, system integration, advanced manufacturing, and long-term energy storage. He is co-founder of batteryarchive.org, the first public repository for easy visualization and comparison of lithium-ion battery degradation data across institutions. Before joining Sandia...

Vehicle Technologies
Page • Sandia’s vehicle research supports electrification technologies, automation, and advanced combustion technologies for all transportation modes. Advanced combustion engine research at Sandia emphasizes the use of optical and laser diagnostics to discover fundamental processes that lead to increased engine efficiency and reduced emissions. Our battery research enhances battery safety, battery diagnostics,...

Vermont Public Utility Commission Energy Storage Systems Workshops
Page • Presented by: Vermont Public Utility Commission,U.S. DOE Office of Electricity Energy Storage Program,and Sandia National Laboratories Energy storage is the key to unleashing the power of renewables; relieving generation, transmission, and distribution demands; and hastening the transition to a decarbonized future. Vermont Public Utility Commission Staff & Stakeholders were invited...

Victoria Obrien
Staff Page • Electrical Engineer. Biography Victoria Obrien is a Senior Member of Technical Staff in the Electric Grid Security and Communications Department at Sandia National Laboratories. She obtained a B.S., M.S., and Ph.D. in electrical engineering from Texas Tech University in 2020, 2021, and 2023, respectively. Her research interests include the cybersecurity...

Video: Validating models for safety codes and standards
News Article, May 10, 2024 • Earlier this year, a test series at Sandia collected data to validate the models used for hydrogen safety codes and standards. Go behind the scenes with the research team who ran the test with partners from the National Renewable Energy Laboratory and support from US DOE Office of Energy Efficiency...
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Results 581–590 of 625