Part 2 of 3: “If [the] Universe is expanding... it has to be expanding into something more vacuous, than what space is...” Roy Masters talks about expansion of the Universe, and explains that the edge of the Universe is expanding into something. What is it expanding into? “Gravity and time are inseparable.” Roy discusses gravity and how it creates matter. Roy Master's book Gravity Driven Universe can be found HERE. To find out more about the show, please visit: http://www.gravitydrivenuniverse.org/. Originally Aired: July 6, 2013