Spektical writes:
Is it safe to say that gravity is a product of the universe? Also if the BB is not an explosion but an expansion, than what drives the expansion?
Vacuum appears to be the likely candidate for this. The expansion of the universe isn't just about the materials of the universe expanding, but the 'bubble' that contains the universe as well. (I am sure someone will crawl up my ass for that term.) As the outer reaches of the universe move away, there is emptiness that grows larger. Before someone else says it, I know there can never really be 'nothing' in physics(see below). That vacuum pulls the matter of the observable universe outward.
Dark energy may be vacuum | EurekAlert!
In modern physics, there is no such thing as "nothing." Even in a perfect vacuum, pairs of virtual particles are constantly being created and destroyed. The existence of these particles is no mathematical fiction. Though they cannot be directly observed, the effects they create are quite real. The assumption that they exist leads to predictions that have been confirmed by experiment to a high degree of accuracy. (Morris, 1990, 25)
"Debate is an art form. It is about the winning of arguments. It is not about the discovery of truth. There are certain rules and procedures to debate that really have nothing to do with establishing fact ” which creationists have mastered. Some of those rules are: never say anything positive about your own position because it can be attacked, but chip away at what appear to be the weaknesses in your opponent's position. They are good at that. I don't think I could beat the creationists at debate. I can tie them. But in courtrooms they are terrible, because in courtrooms you cannot give speeches. In a courtroom you have to answer direct questions about the positive status of your belief. We destroyed them in Arkansas. On the second day of the two-week trial we had our victory party!"
-Stephen Jay Gould