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 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
Latest Magazine Issues
Jul 2026
Jan 2026
2026
Latest Journal Issues
Nuclear Science and Engineering
September 2026
Nuclear Technology
August 2026
Fusion Science and Technology
Latest News
A closer look at NRC’s proposed rule eliminating ALARA
On July 1, the Nuclear Regulatory Commission proposed removing the “as low as reasonably achievable” (ALARA) principle from its radiation protection regulations and replacing it with a graded approach. The agency also proposed increases to effluent dose limits and adjusting how it handles allowances for exceeding dose limits.
Mathematics & Computation (M&C) 2021 Speaker
Thomas M. Evans is a distinguished R&D staff member and the group leader of the HPC Methods for Nuclear Applications group in the Nuclear Energy and Fuel Cycles Division at ORNL. He has a PhD in nuclear engineering (1997) and MS in health physics from the Georgia Institute of Technology and a BS in physics and astronomy (1992) from Haverford College, Pennsylvania. His research interests are in the areas of radiation and particle transport, linear and nonlinear solvers, algorithms and methods for HPC, and computational coupled physics simulation. He is currently the Exascale Computing Project (ECP) Applications Development focus area deputy in charge of the energy applications portfolio.
Last modified September 28, 2021, 1:58pm EDT