This kind of symmetry is called rotational symmetry. Rotational symmetry is where a shape or pattern can be rotated or turned around a point and it looks the same. Have a go at this crafty ...

The number of lines of symmetry in a regular polygon is equal to the number of sides. A shape has rotational symmetry when it can be rotated and it still looks the same. The order of rotational ...

Symmetry can be found in various forms, including reflectional and rotational symmetry, and plays a significant role in object recognition, alignment, and reconstruction. Recent research has ...

They have published their research in the Physical Review Letters paper "Enabling all-to-circular polarization up-conversion by nonlinear chiral metasurfaces with rotational symmetry." The team's ...

Generation of circularly polarized nonlinear signals from chiral metasurfaces with rotational symmetry under arbitrarily polarized excitation. (Image: SUTD) The team’s proposed metasurface exhibits ...