Lisa Randall, author who already explained to us in Hidden Universes (Cliff, 2011) very important aspects of our cosmos, is a specialist in particle physics (the study of the immensely small) and cosmology (the study of the immensely large). In Knocking on Heaven's Door, Randall examines how we decide which scientific questions to study and how we answer them. It explores the role that risk, creativity, uncertainty, beauty and truth play in scientific thinking through stimulating conversations with figures from other areas of knowledge, and explains with wit and clarity the latest insights in physics and cosmology. It also describes the characteristics and purposes of the largest machine ever built, the Large Hadron Collider, on the Franco-Swiss border; and it breaks down the essential assumptions drawn from current dark matter and cosmological experiments. A book that clarifies some ...read more