“Imagine that you could travel back to any period in history. What moment or event would you want to observe? What people would you want to meet? What would you ask them?” Many of us have asked and been asked these hypothetical questions. They are designed to inspire curiosity, drive thinking, and spark the imagination. They represent, to some extent, a considerable component of what historians try to do—to use the tools at hand, books, documents, records, artifacts, testimonies, and more to explore the past, and for some perhaps to create a virtual time machine through which they can re-create that past.









