Liam Fedus, former Vice President of Research at OpenAI, is leaving the company to establish a new venture focused on materials science AI. This move underscores the evolving landscape of AI research and its applications.The reasons behind Fedus' departure are still unclear, but his involvement in post-training AI suggests that he seeks to explore new frontiers in the field. As a physicist-turned-AI-researcher, Fedus is well-positioned to drive innovation in materials science AI.Fedus' next steps are uncertain, but his statement highlights his enthusiasm for applying physics concepts to AI research. The implications of this move will be watched closely by industry observers and researchers alike.