Researchers in Drexel University's College of Engineering have developed a thin film device, fabricated by spray coating, that can block electromagnetic radiation with the flip of a switch. The ...

Topological wave structures are wave patterns that exhibit specific topological properties, or in other words, properties that remain unvaried under smooth deformations of a physical system. These ...

Fig. 1 An internationally collaborated group, led by Ikerbasque Professor Konstantin Bliokh (upper-right) in DIPC Spain, Nanyang Assistant Professor Yijie Shen (mid-right) in NTU Singapore, and ...

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 ...

This story was originally written for and published by Drexel News. Researchers in the College of Engineering have developed a thin film device, fabricated by spray coating, that can block ...