Artist Tony Robbin is trying to help people imagine what four dimensions would look like to our three-dimensional world. "I have many three-dimensional patterns that are woven together in ways that are impossible in three dimensions but are possible in four dimensions," says Mr. Robbin. "It shows us a way to be omniattentive, being able to pay attention to many things at the same time." The New York City artist is displaying his paintings and digital prints until June 16 in the gallery of the American Association for the Advancement of Science in Northwest. Yale University Press recently published his...