The fraudulent 1972 book "The Limits to Growth" used a computer model to prove excess economic growth was dooming the human species. Yet their silly model couldn't account for the creation of fundamentally new technologies. So, in reality, they "proved" that without fundamental technological progress, the human species would be in danger, and then claimed, on this basis, that progress must be halted! In this class, we will accompany the first modern scientist, Johannes Kepler, as he forces astronomers to abandon mathematical explanations for the planets and to join him in demanding a knowledge of physical causes. This is the crucial factor required to really understand economics!