Two or more graphene layers that are stacked with a small twist angle in relation to each other form a so-called moiré ...
So cosmologists feel confident in modelling the universe using the “maximally symmetric” description of space-time in Einstein’s theory of general relativity. This symmetric vision for the universe, ...
Abstract: In this letter, a high-order mode microstrip patch antenna with low sidelobe level (SLL) and symmetrical radiation pattern is presented. The mechanisms of sidelobe suppression and radiation ...