Cristián Simonetti is Associate Professor in Anthropology at the Pontificia Universidad Católica de Chile. His work has concentrated on how bodily gestures and environmental forces relate to notions of time in science. More recently he has engaged in collaborations across the sciences, arts, and humanities to explore the environmental properties of materials relevant to the Anthropocene. He is the author of Sentient Conceptualizations. Feeling for Time in the Sciences of the Past (2018), co-editor of Surfaces. Transformations of Body, Materials and Earth (2020) and co-editor of a forthcoming special issue of the journal Theory, Culture & Society entitled “Solid Fluids. New Approaches to Materials and Meaning.”