The U.S. power grid needs upgrading to manage all the stresses on it. The Army is testing a much smaller grid that cut fuel use in half, saving soldiers' lives.
One Tokyo restaurant is dedicated to Fukushima. It serves food and dishes from the region. Many of its customers are volunteers in the area destroyed by the tsunami two years ago. And it dedicates its profits to relief efforts.
Japanese officials say food produced in the region around the Fukushima Daiichi nuclear plant is safe. But if you want your rice tested in front of you — there's a service for that.
The Nuclear Regulatory Commission studied the disaster at the Fukushima reactors for a year. Now it's voting on an expensive safety modification to 31 similar reactors in the U.S.
The biggest barrier to renewable energy such as solar and wind is storing the electricity it generates. In a university laboratory, a scientist painstakingly re-imagines the battery.
Eunice, in a dusty corner of New Mexico, rode the ups and downs of the oil business for decades. Then a nuclear-processing plant came calling, and Eunice welcomed its jobs.
