"It's very odd to observe "lower/Old Earth dimensions" while standing in them, aware that all around you is a totally different dimension, yet you are in a completely different one. This is one way that teleportation works. Most are not present enough to know that they have "teleported" to a totally different timeline, without being affected by it. Just an observer (or watcher), moving in and out of dimensional realities.... "

Source and Lot's More
http://www.lovehaswon.org/ascension-spirituality/galactic-stargate-sequencing-teleportation