HAMBURG, June 30 (Reuters) - A heat wave in western Europe has lowered water levels on Germany's Rhine River, hampering shipping and raising freight costs for cargo owners due to additional surcharges ...
The comparison of simulations and experimental plots in the case of selective valley excitation of the K1' state. Black arrows marking the propagation direction and dashed triangular lines demarcating ...
Recently, the National Science Review published the study of Huaping Wang's group at Zhejiang University online. Inspired by electromagnetic metamaterials, the research team designed and fabricated a ...
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