Virtual reality tools have untapped potential to elicit positive emotions for use in education, health care, architecture and psychological therapy, according to a recent study from Murdoch University that looked at four core visual factors and associated sub-factors and how they contribute to realism and emotional engagement in virtual reality environments.Virtual reality tools have untapped potential to elicit positive emotions for use in education, health care, architecture and psychological therapy, according to a recent study from Murdoch University that looked at four core visual factors and associated sub-factors and how they contribute to realism and emotional engagement in virtual reality environments.[#item_full_content]