Steven Pinker is Johnstone Professor of Psychology at HarvardUniversity, US, and the author of the best-sellers The Language Instinct and How The Mind Works.
Work on the machine was carried out by researchers at the Massachusetts Institute of Technology and HarvardUniversity in the US, and Seoul National University in South Korea.
Alex Wissner-Gross of HarvardUniversity and the Massachusetts Institute of Technology in the US and Cameron Freer from the University of Hawaii at Manoa, have now put together a mathematical model that ties this causal entropy idea - evident in a range of recent studies - into a single framework.
Stokely Carmichael sang from the same song sheet and did so not in Algeria but on US college campuses such as George Washington University and Harvard beginning in 1970.
The rival edX online university project on the US east coast has been funded by the Massachusetts Institute of Technology and Harvard and is not for profit.