So do we work for computer technicians? No, actually. A key purpose at ALCF is to train teams of scientists and software engineers to use the operating systems of these super high performance machines. This lowers barriers to executing science projects related to data analysis, modeling and simulation, or machine learning (a kind of artificial intelligence). The Science Report is a beautiful snapshot of the scientific advancements achieved by scientists at Argonne and others all over the world who allocate time at ALCF for their computational research.