Question

To compensate for the natural visual distortion in which tall columns appear to bend inward, the greeks gave them a slight bulge, which is known as_____________.

Answer 1

The answer to this question is entasis.

Entasis is a design principle in architecture where in a convex curve was applied to a surface which also serves a strength to the construction and it also gives an optical illusion to it. Egyptian pyramids use this design principle.