Second in a #ReadWithMe series.   Matt Ridley’s How Innovation Works is a treasure trove of examples which suggest that innovation is often serendipitous. Indeed, sometimes “use precedes understanding”. Writes Ridley that “throughout history, technologies and inventions have been deployed successfully without scientific understanding of why they work”. Later science catches up. This is something to keep in mind, when confronted with the so called “linear model”, by which government funds pure science which leads to applied research which (purportedly)...