Synopsis

In the third installment of "The Elegant Universe," host Brian Greene explores how Edward Witten of Princeton's Institute for Advanced Study, with the assistance of colleagues, fundamentally reshaped string theory. They achieved this by synthesizing the five disparate versions into a unified framework known enigmatically as "M-theory," a development predicated on the existence of eleven dimensions. Ten...eleven...the numerical precision is almost beside the point. This eleventh dimension sugg