Professor Michel Barsoum's research work on the pyramids appeared in a Boston Globe article on April 22nd entitled, "A New Angle on Pyramids: Scientists explore whether Egyptians used concrete." This article was also syndicated in The Sydney Morning Herald on April 25, 2008, the Brisbane Times on April 26, 2008, and the San Diego Union-Tribune on May 8, 2008.
The article describes the work of several researchers who are experimenting with the theory that some of the pyramids may have been a form of cast concrete rather than chiseled blocks hauled into place. In particular, Professor Barsoum has convincing scientific evidence that this is likely the case. The theory is controversial in the field of Egyptology and has been denounced by several well-known Egyptologists.
Professor Barsoum's research on the pyramids was published in the Journal of the American Ceramic Society and has received extensive prominent press coverage. More information on his research work can be found on his pyramids website.