Complex sentence: Promoted by Clean Energy Technologies, Inc. (CETI) and demonstrated at a conference in 1995, it is one of several cells that some observers classified as cold fusion; cells which have been the subject of media interest.
Split into simpler sentences: Promoted by Clean Energy Technologies, Inc. (CETI) and demonstrated at a conference in 1995. It is one of several cells that some observers classified as cold fusion; cells which have been the subject of media interest.