PSYCHEDELIC: relating to or denoting drugs (especially LSD) that produce hallucinations and apparent expansion of consciousness.      As a follow up to my prievious thread about PI [the number], today we are going to talk about psychedelia. Below is a short documentary about psychedelic culture:   Correlation to Gaga: Her upcoming single that is expected to be released this week is about a psychedelic drug. Tame Impala is a psychedelic rock band, so perhaps psychedelia m