The human visual system exhibits a remarkable ability to decipher the three-dimensional structure of the world from two-dimensional retinal images. Central to this process is the utilisation of shape ...

Look in the mirror. Is one eye slightly higher than the other? Is your smile a bit lopsided? These tiny asymmetries might seem like nothing more than quirky physical traits, but they could be ...

Reflective symmetry is when a shape can be folded in half, with either side of the fold being a mirror image of the other. Rotational symmetry is when a shape can be rotated and it still looks the ...