Resource depletion, climate change and rising oil prices have led to large investments in renewable energy and new fossil fuel extraction techniques. However despite the positive headlines on solar, wind, and shale, all of these sectors are beset with problems that add to our uncertain energy future. We appear to be decades away from finding a renewable source that will help us avoid the impending energy crisis. Yet amongst this bleak outlook a relatively unknown Italian inventor could be about to spark an energy revolution? Andrea Rossi appears to have produced the first working “cold” fusion device, or low energy...