Although the law bars charitable nonprofits from endorsing political candidates, charities are allowed to engage in at least some advocacy, lobbying and public affairs work tied to issues that are ...

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS Electromagnetic self-duality is one of the most fundamental symmetries of free-space. While in condensed matter ...

Scientists report a new method that achieves for the first time valley polarization in centrosymmetric bulk materials in a non-material-specific way. This 'universal technique' may have major ...

Under the impact of big data and artificial intelligence, optical detection techniques based on single physical quantities can no longer meet the needs of acquiring multi-dimensional information in ...

Researchers at the Würzburg site of the Cluster of Excellence ctd.qmat have succeeded in transferring the topological quantum ...