“One of the things I learned was, doing good science isn’t so much about finding the answers as figuring out what the important questions are.” As Martin Greenwald retires from the responsibilities of senior scientist and deputy director of the MIT Plasma Science and Fusion Center (PSFC), he reflects on his almost 50 years of science study, 43 of them as a researcher at MIT, pursuing the question of how to make the carbon-free energy of fusion a reality. Most of Greenwald’s important questions about fusion began after graduating from…
