In this engaging discussion, Amanda Gefter, a science writer and author renowned for her insights on quantum mechanics, dives into the revolutionary concept of QBism. She explores how observers actively shape reality, challenging traditional views of quantum mechanics. Gefter discusses the philosophical implications of a participatory universe, the complex nature of probability in quantum states, and how beliefs influence our understanding of these concepts. This captivating exploration blends personal anecdotes with scientific inquiry, inviting listeners to rethink their perceptions of reality.