Parallel Lines Optical Illusion - Wolfram Demonstrations Project

This optical illusion is more effective for certain parameters than others. What settings make the lines look least parallel to you?

Wolfram Demonstrations: Free Interactive Software for Food Engineering Education and Practice

Musings on A New Interface for Mathematics – Math ∩ Programming

SYLVA

Mathematica as a single integrated system

Optical illusion

Open Access

Flexible Intentions: An Active Inference Theory

Listening to Elementary Cellular Automata, by Jeff Holtzkener, Code/Music/Noise

Chapter 5: Demand, services and social aspects of mitigation