Group 1 - The article emphasizes the importance of understanding how machines operate to predict outcomes under changing conditions [1] - Tim Worstall is identified as a wholesaler of rare earth metals and an expert in scandium, contributing to various media outlets [1] Group 2 - There is no investment recommendation or advice provided in the article, and past performance is not indicative of future results [2] - The article clarifies that the views expressed may not represent those of Seeking Alpha as a whole, and the analysts involved may not be licensed or certified [2]