If scientists have found parallel universes, we may one day have the opportunity to skip from one time period to another and have experiences only imagined. We might escape to another universe and then back to the present time. One might be able to be enlightened by spending a moment in Paradise. There is no such thing as immaterial matter. All spirit is matter, but it is more fine or pure, and can be discerned by purer eyes, We cannot see it unless our bodies are purified. It is all matter. D&C, 131:7-8. Most those who experience an out of body experience (OBE) recognize that the light was love, and it was the only thing that meant anything in this universe. OBEs are suspected to have existed since the dawn of man. The painter Hieronymus Bosch of the Netherlands painted, Accent of the Blessed to the Heavenly Paradise, around 1490 which depicts man ascending into another world (universe?).