Spilling beans for the most powerful man in the world, the professor of physics at Berkeley explains the nature of the world with engaging clarity.
The destruction of the World Trade Center in 2001 was not caused by the impact of the aircraft but their gasoline, equal to 1.8 kilotons of TNT.
Muller moves on to future terrorist possibilities, radioactivity and nuclear weapons. The prof is "far more worried about future biological attacks", but optimistic that population growth will not prove as disastrous as some believe. His good news is that we waste "vast amounts of energy... Conservation is the greatest investment."