“Science fiction fans keen on Star Trek will know a different version of subspace than what we’re talking about here, but, just like in the show, ‘subspace’ in BDSM refers to a specific kind of space with its own rules, texture, and properties — a kind of altered reality…”

link: http://www.huffingtonpost.com/sandra-lamorgese-phd/submissive-sex-partner_b_9299134.html