Daniel Ingram is a physician, meditator and the author of the book Mastering the Core Teachings of the Buddhaas well as the bookThe Fire Kasina, co-authored with Shannon Stein. He is the co-founder of the Dharma Overground, an online community of meditation practitioners.  He also founded The Emergent Phenomenology Research Consortium, an organisation involved in promoting research into non-ordinary states of consciousness. He is well known in meditation circles for claiming to have achieved full enlightenment as a result of his meditation practice.  Today we discuss meditation, enlightenment, visionary states, reality and how all this relates to science.