nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq5ylh00729at67j3ytuanxupdf37qm8u580m0l9e6t36l6u5rzrusa0e6sg (nprofile…e6sg) do you mean real-life, or in fiction? For both the answer is yes, but they're currently pretty impractical.
My favorite sci-fi thing to do with metamaterials is https://en.wikipedia.org/wiki/Vacuum_airship , that'd be really Solarpunk :D
