Lisa Randall is an expert on particle physics and very enthusiastic about the work. Knocking on Heaven's Door contains a hodgepodge of her thoughts on science and the physics. It starts with some analysis of science and the differences among science, art and religion. She views the three as different ways of understanding the world. Science attempts to discover what happens. Religion looks for Why. Art provides an alternate view. Conflicts arise when they try to go against their "core" area. There is also the question of "adequate" explanations from science. Newtonian mechanics is not 100% accurate. However, it is adequate for most of the areas that we need. There are many other areas where we have general scientific principals that have been adjusted based on new findings, yet are still in use. We don't need to concern The work then pivots to talking about particle physics and talking about high speed colliders. It is nearly a history of the CERN and the background of the collider as well as the aborted US Super collider. She mixes the discoveries in particle physics with details of the working experiences at CERN. There are some significant details on the recent discoveries in particle physics as well as the background in how the experiments were run to accomplish these.
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