Why does E=mc²? (and why should we care?) – A Book Club Review

Why Does E=MC2? : (And Why Should We Care?) - Brian CoxWhy does E=mc²? (and why should we care?)

Brian Cox and Jeff Forshaw


What does E=mc2 actually mean? Dr. Brian Cox and Professor Jeff Forshaw go on a journey to the frontier of twenty-first century science to unpack Einstein’s famous equation. Explaining and simplifying notions of energy, mass, and light–while exploding commonly held misconceptions–they demonstrate how the structure of nature itself is contained within this equation.

Along the way, we visit the site of one of the largest scientific experiments ever conducted: the now-famous Large Hadron Collider, a gigantic particle accelerator capable of re-creating conditions that existed fractions of a second after the Big Bang.

A collaboration between one of the youngest professors in the United Kingdom and a distinguished popular physicist, Why Does E=mc2? is one of the most exciting and accessible explanations of the theory of relativity.


  • Fascinating. Could not keep up. Could not understand some of the concepts. Don’t understand “gravity”. Difficult.
  • Difficult. Loved the book though. Love the author. Not meant to be simple, but not really simple enough for not having studied science. Love all this stuff – how the world works.
  • Difficult to  understand but enjoyable in parts.
  • Enjoyed the discussion. Better as a TV presentation. Unable to grasp concepts.

Read by: First Wednesday book Club.