Electric vehicles can drive longer distances if their lithium-ion batteries deliver more energy in a lighter package. A prime weight-loss candidate is the current collector, a component that often adds 10% to the weight of a battery cell without contributing energy.
Scientists of the Next-Generation Ecosystem Experiments are blogging from the Arctic this summer. Follow their adventures at http://ngee-arctic.blogspot.com/. Participants share troubles and triumphs from the field in entries with headings like "Flying Wild Alaska" and "Hitting the Tundra." "The b...
Whole-ecosystem warming technologies for the 10- year Spruce and Peatland Responses Under Climatic and Environmental Change project have been finalized using prototypes designed at Oak Ridge National Laboratory. Construction has begun in Minnesota to deploy the technologies, which will warm the...