Penn & Teller's Field is a term used to describe the art of MAGIC. It is a combination of the names of two famous magicians, Penn Jillette and Teller, who have been performing together since 1975. They are known for their unique style of combining comedy and MAGIC, which has earned them a large following. The term 'Penn & Teller's Field' is often used to refer to the art of MAGIC as a whole, or to the specific style of MAGIC that Penn & Teller have become known for.