Yes (note: most people who have replicated it distinguish it from "cold fusion" - obviously this is controversial.) In 1994 Thermacore, under contract by the U

Yes (note: most people who have replicated it distinguish it from "cold fusion" - obviously this is controversial.) In 1994 Thermacore, under contract by the US Air Force, observed anomalous heat: http://www.lenr-canr.org/acrobat/GernertNnascenthyd.pdf http://www.lenr-canr.org/acrobat/GernertNnascenthyd.pdf In 1996 the CERN observed both (1) excess heat (however they theorize it is caused by local variations of its thermal characteristics) and (2) hydrogen absorption (which they concede is unexplained): http://lenr-canr.org/acrobat/CerronZebainvestigat.pdf http://lenr-canr.org/acrobat/CerronZebainvestigat.pdf In 2011 Celani observed excess heat: http://www.newenergytimes.com/v2/conferences/2012/ICCF17/papers/Celani-Cu-Ni-Mn-AlloyWires-Paper-ICCF17-pp.pdf http://www.newenergytimes.com/v2/conferences/2012/ICCF17/pap... There are some other groups who have reproduced it but the quality of their research vary a lot (for an overview see http://nickelpower.org/2011/12/30/replicators-as-if-december-30-2011 http://nickelpower.org/2011/12/30/replicators-as-if-december...). The problem is that it remains still hard to replicate. Zawodny (from the NASA Langley Research Center) has some theories about why, see slide 17: http://newenergytimes.com/v2/government/NASA/20110922NASA-Zawodny-GRC-LENR-Workshop.pdf http://newenergytimes.com/v2/government/NASA/20110922NASA-Za...