Ever read or listen to other people's "accounts" about spirits, other worlds, other realities, other dimensions, and/or other supernatural occurrences? Ever start asking them questions, and you get a response like, "It can't be explained." Or "It's hard to explain." Or "You wouldn't understand." Oh, really? Well, the acceleration due to gravity is difficult to explain, but I understand it and can express it mathematically. The same thing applies to the conservation of energy, kinetic energy, mom