GIANT PHOTONIC CRYSTALS. “Building on the results obtained in the field of phononic crystals and acoustic metamaterials, theorists have proposed artificial structures, based on periodic arrays of boreholes, that exhibit band gaps at frequencies characteristic of seismic waves.”
https://lnkd.in/edaQCe9
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022