An Italian inventor, Andrea Rossi, claims that a 1000 MW nuclear reactor, being constructed in Greece, will become operational in October 2011. I hope he is right; how can one not be happy to have electricity which is ten times less expensive than from coal, and without any pollution? But I am skeptical. Why? Read this paper:

But many reputable people take his claim seriously, as illustrated in these two posts:

How can such optimism be explained?

Ludwik Kowalski (see Wikipedia)