Electrochemical process changes magnetism in ferromagnets reversibly. Without continuous current the distinct magnetic states can be maintained in the material.More
Invisibility Cloak Might Increase Efficiency of Photovoltaic Cells
Invisibility cloaks guide sunlight around objects that cast a shadow on the solar panel and, hence, reduce energy loss.More
"We Have to Reconstruct the Complete Energy System"
In an interview, President Holger Hanselka explains the “Energy Lab 2.0” approach.More