“Deep time” is a term which attempts to capture temporal scales far beyond human comprehension. These are stretches of time epitomised by geological and cosmic scale processes, vast enough to make the entirety of human existence appear as little more than a footnote. The past few years have seen a boom in texts dedicated to the study of deep time, extending across a broad range of disciplines which fall markedly outside of its geological roots. These studies are unified by two ideas in par...