A group of seven professors has published a definitive test of Andrea Rossi’s high temperature reactor:
Levi, G., et al., Indication of anomalous heat energy production in a reactor device containing hydrogen loaded nickel powder. 2013, Bologna University.
The paper was uploaded to Cornell’s arxiv.org library, here: http://arxiv.org/abs/1305.3913v1
Mats Lewan described the paper here:
Mark Gibbs of Forbes magazine described the paper here.
Abstract from paper:
An experimental investigation of possible anomalous heat production in a special type of reactor tube named E-Cat HT is carried out. The reactor tube is charged with a small amount of hydrogen loaded nickel powder plus some additives. The reaction is primarily initiated by heat from resistor coils inside the reactor tube. Measurement of the produced heat was performed with high-resolution thermal imaging cameras, recording data every second from the hot reactor tube. The measurements of electrical power input were performed with a large bandwidth threephase power analyzer. Data were collected in two experimental runs lasting 96 and 116 hours, respectively. An anomalous heat production was indicated in both experiments.