Most of us don’t understand the Big Bang. Even if we accept that scientists says it is possibly the best explanation we have of how the universe go there, the actual physics involved is baffling except to a small minority of brilliant minds.
If the topic, nonetheless fascinates you, take a look at
http://www.boingboing.net/2008/07/31/large-hadron-rap-bes.html It’s a hip-hop explanation of the experiment that might explain the parts of the Big Bang that even the scientists don’t understand. Like Dark Matter.
I found that it is worth watching more than once. I understood a little more each time.