Decades of work at Argonne National Laboratory led to pivotal moment for U.S. nuclear plants

Decades of work at Argonne National Laboratory led to pivotal moment for U.S. nuclear plants: A few years ago, several nuclear reactors in the United States were facing the possibility of unforeseen shutdowns in the wake of disaster at Japan's Fukushima Daiichi power plant. The 2011 accident prompted worldwide scrutiny of nuclear power safety—especially regarding boiling water reactors, or BWRs.