<p><b>Rich with tales of discovery from Galileo to general relativity, a stimulating and timely analysis of how science works and why we need it.</b><br><br> ''The <b>best introduction to the scientific enterprise</b> that I know. A wonderful and important book'' <b>David Wootton</b>, author of <i>The Invention of Science</i><br><br> It is only in the last three centuries that the formidable knowledge-making machine we call modern science has transformed our way of life and our vision of the universe - two thousand years after the invention of law, philosophy, drama and mathematics. Why did we take so long to invent science? And how has it proved to be so powerful?<br><br><b><i>The Knowledge Machine</i></b> gives a radical answer, exploring how science calls on its practitioners to do something apparently irrational: strip away all previous knowledge - such as theological, metaphysical or political beliefs - and channel unprecedented energy into observation and experiment. <b>In times