In layman's terms, Dr. Amir Aczel, author of "The Mystery of the Aleph: Mathematics, the Kabbalah and the Search for Infinity," (Four Walls Eight Windows: 2000) explained this concept on National Public Radio:<ref>AUTHOR AMIR ACZEL DISCUSSES CONCEPTS OF INFINITY National Public Radio (NPR) January 19, 2001</ref> | In layman's terms, Dr. Amir Aczel, author of "The Mystery of the Aleph: Mathematics, the Kabbalah and the Search for Infinity," (Four Walls Eight Windows: 2000) explained this concept on National Public Radio:<ref>AUTHOR AMIR ACZEL DISCUSSES CONCEPTS OF INFINITY National Public Radio (NPR) January 19, 2001</ref> |