Can virtual reality make people more empathetic, train students in the scientific method, and help people overcome their fears? This week’s episode asks whether VR is a force for good, a force for ill, or not much of a force at all.

Last week I went to the Night of Philosophy and Ideas at the Brooklyn Public Library. One of the experiences on offer was a short CGI virtual-reality film called BattleScar. What is most compelling about BattleScar is the way it plays with your perspective. You are, as a viewer, implicated in the same physical space as the characters in the film.