AI has led to breakthroughs in drug discovery and robotics and is in the process of entirely revolutionizing how we interact with machines and the web. The only problem is we don’t know exactly how it works, or why it works so well. We have a fair idea, but the details are too complex to unpick. That’s a problem: It could lead us to deploy an AI system in a highly sensitive field like medicine without understanding that it could have critical flaws embedded in its workings. A team at…