Stepping Feet

What: This interactive version of the &ldquo;stepping feet&rdquo; optical illusion, where both the yellow and blue walkers appear to be stepping across the screen but are in fact moving in a straight line at the same speed. The effect relies on your brain&rsquo;s perception of contrast, and the way it exaggerates motion (surprise! It exaggerates motion) How To: This illusion is initially set up in…