Kilcullen Science and Engineering

Kilcullen Science and Engineering - Exploring Science, Engineering, and Technology

Tuesday, March 25, 2025

Horizontal Line Illusion

Image courtesy illusionist Victoria Skye.

More proof that things aren't always as they seem. Use a ruler to measure and confirm they are straight and horizontal.
Squint and almost close your eyes and they become straight. Or look from a distance and tilt your head sideways. Once the visual cues can't be clearly seen, your brain doesn't make false assumptions.