Lawrence Paul Lewis and Linda Hansen were recognized for their contributions to infrastructure security and nuclear nonproliferation, among others, at the U.S. Department of Energy (DOE) Secretary’s Honor Awards ceremony in Washington, D.C., on August 29.

Physicist Kawtar Hafidi has been appointed Associate Laboratory Director, Physical Sciences and Engineering (PSE) at the U.S. Department of Energy’s (DOE) Argonne National Laboratory.

When it comes to designing and optimizing mechanical systems, scientists understand the physical laws surrounding them well enough to create computer models that can predict their properties and behavior.