The man behind the amazing Contrast Asynchrony illusion has started a blog! Arthur Shapiro tells me he has a backlog of literally thousands of illusions. He promises to offer a new illusion every week, along with an explanation of the science behind it. Here’s a preview of this week’s illusion:

For an explanation of how it works, you’ll have to visit Shapiro’s blog, Illusion Sciences. There are already three illusions posted, with plenty more to come.

Arthur Shapiro is a world-class illusion designer and psychologist whose illusions have won the most prestigious awards in the field. Two illusions from his lab are among this year’s top ten illusions.