On this episode of Power Hour Alex Epstein continues his discussion with physicist Adrian Bejan, of “constructal law” fame, to discuss the central ideas of Bejan’s book Freedom and Evolution.  They cover: - Professor Bejan’s broad-ranging conception of freedom, including change and movement. - How freedom of change and movement naturally leads to economies of scale for humans, for other life forms, and for the inanimate. - How freedom of change and movement and naturally leads to hierarchies, for other life forms, and for the inanimate. - How Bejan explains the continued dominance of the Northeast United States in the university world. - Why Bejan expects energy use to keep increasing. - Why Bejan agrees with the moral case for fossil fuels. - The role of bad ideas in restricting freedom and progress