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Do the Laws of Physics Evolve?

n his new work, Time Reborn, Lee Smolin makes some radical and interesting statements about the nature of time, and mentions how even the laws of physics might not be final, fixed and immutable, but actually evolve over time.
Follow the Money!

Like a Weather Channel journalist after big storm, Lewis gives us an on-the-ground perspective of what happened, what was lost, what was learned, and what the future may hold. Through his eyes, we see the impact of the Great Recession on economies of Iceland, Ireland, Greece, Germany and finally back to the US.
Progress or Pessimism: How Should We Think about the Future?

Should we feel exuberant or terrified about the future? Should we feel encouraged or alarmed by the trends of history? Is optimism or pessimism the rational conclusion of our moment?