Xanthippa's Chamberpot

“This phenomenon of trapping electrons and turning liquid cement into liquid metal was found recently, but not explained in detail until now,” Benmore said. “Now that we know the conditions needed to create trapped electrons in materials we can develop and test other materials to find out if we can make them conduct electricity in this way.”

The results were reported May 27 in the journal the Proceedings of the National Academy of Sciences in the article “Network topology for the formation of solvated electrons in binary CaO–Al₂O₃ composition glasses”.

Read more at: http://phys.org/news/2013-05-cement-metal.html#jCp