5 Reasons Cold Fusion is Bunk

Inventor and entrepreneur Andrea Rossi says he's produced cold fusion in secret, but basic science says otherwise.

May 28, 2013
7:00 AM EDT
This conceptual visualization of the Bohr model of an atom shows a tightly packed nucleus composed of protons and neutrons. | Mark Garlick/Science Photo Library/Corbis
A water-cooled nuclear core glows blue as rock samples are irradiated to make them radioactive so that the gamma-ray spectrum can be studied. | Roger Ressmeyer/CORBIS
The addition of a proton to nickel makes copper, but that takes a great deal of energy. | Mark Schneider/Visuals Unlimited/Corbis
The ceramic cylinder visibly heats up in an experiment performed in November 2012. In this test, the device got so hot that the internal steel cylinder housing the fuel overheated and melted. The trials in the current study were performed at lower tempera | Levi, et al.
Rossi claims his catalyst is a trade secret. | Laguna Design/Science Photo Library/Corbis