New approaches to an old problem

Members of Professor Herbert Einstein's class, 1.013 Civil Engineering Design, use models to test their theories for how the Rapa Nui people of Easter Island moved the giant stone heads, known as moai, into position on the island 1,500 years ago. Photo / Donna Coveney

A version of this article appeared in MIT Tech Talk on March 16, 2005 (download PDF).