Wikiversity/Cold fusion/Nickel-hydrogen system/Energy Catalyzer
Background for nickel-hydrogen
Focardi, et al, ""Large excess heat production in Ni-H systems," Il Nuovo Cimento, VOL. 111 A, N. 11, November 1998, p. 1233-1242.
 This is a collection by Jed Rothwell of "hints we have about the function of Andrea Rossi's Energy Catalyzer. A great number of hints have been posted on various websites, forum and blogs."
 General information.
Ny Teknik articles
 "Swedish physicists on the E-cat: 'It’s a nuclear reaction'". Ny Teknik calls itself "Sweden’s leading technology and IT newspaper." The author of this article, Mats Lewan, described his qualifications in this Wikipedia edit.
Reportage on w:Rai News (Italian)
(English version) covers the invention and some of the demonstrations, as well as investigating the history of Andrea Rossi, including the Petroldragon affair. (Google English translation of it.wikipedia article).
This seminar examines and discusses w:Energy Catalyzer (the article).