I certainly don’t buy into the belief popular among LDS that God is family of aliens on other planets. Makes for great movies like Thor but I have little interest in turning the Bible into a comic book in that way. Besides, this directly contradicts the reasons I have for believing in God and the Bible anyway. Nor do I find any merit in their idea that we come to the earth in order to get bodies. I do not, in fact, believe in any kind of pre-existence whatsoever – not reincarnation and not any of this stuffing spirits into zygotes nonsense.
On the other hand… I certainly believe that the spirit is tangible and substantial… even more so than the physical. But not a part of the mathematical space-time relationships and equations of the physical universe and that includes quantum physics, of course – so I am with @gbob on that one. Its not visible to our physical eyes because it has no part of the relationships by which matter interacts with photons. But this doesn’t mean that the spirit is incapable of being seen by other means.
The talk about bodies being “purified” sounds like scientology and I wouldn’t touch any of that stuff with a ten foot pole. Though it sure fits with the whole sci-fi twist on religion.