We finally realize we already haveĀ  parallel worlds and time-travel equivalents here around us. At the center of every everyday life is a perhaps underused means of extraordinary experience. Religions and mystical adherents have pursued these pathways for ages, but these abilitiesĀ  are innately human. No religious authority owns or licenses them. Finally, science has discovered enough about the brain and the rest of the nervous system to advise us all. A few simple exercises, freely available to everyone, are the keys to visible and invisible dimensions.