ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Explore membership for yourself or for your organization.
Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
Latest Magazine Issues
Jan 2026
Jul 2025
Latest Journal Issues
Nuclear Science and Engineering
February 2026
Nuclear Technology
January 2026
Fusion Science and Technology
Latest News
The spark of the Super: Teller–Ulam and the birth of the H-bomb—rivalry, credit, and legacy at 75 years
In early 1951, Los Alamos scientists Edward Teller and Stanislaw Ulam devised a breakthrough that would lead to the hydrogen bomb [1]. Their design gave the United States an initial advantage in the Cold War, though comparable progress was soon achieved independently in the Soviet Union and the United Kingdom.
Radiation Protection and Shielding Division 2024 (RPSD 2024)
Lydia Tai has been a health physicist for the National Atmospheric Release Advisory Center (NARAC) in Livermore, California since 2019. As part of the multidisciplinary operations team at NARAC, she supports emergency planning and response activities and manages NARAC’s international collaborations. Lydia has over 18 years of experience in the Department of Energy complex in both federal and contractor organizations. Her past roles include managing the internal and external dosimetry programs for the Lawrence Livermore National Laboratory and supporting federal oversight of safety programs for the Nevada Field Office.
Lydia has a Bachelor of Science in Nuclear Engineering from the University of California, Berkeley, and a Master of Science in Radiation Health Physics from Oregon State University, Corvallis. She has been a Certified Health Physicist since 2016.
Last modified June 20, 2024, 3:50pm EDT
