sentences:  His research continues to focus on high-temperature superconductivity and he maintains laboratories and close collaborations with colleagues at Los Alamos National Laboratory.He has lobbied the scientific community to build a unique, world-class laser - dubbed Big Light - at the Magnet Lab.The free-electron laser would span the terahertz-to-visible-light part of the electromagnetic spectrum, probing a blind spot that scientists have yet to fully explore.