i want to bring in pliels o'brien. and bill nye the science guy. and i'll ask each of you. miles, you've had a chance to look at this. and when you see this video, you can see a lot more than the rest of us can see. what can you see that could possibly have gone so cataclysmically wrong. >> you have to remember what we are talking about here. it is a lot of -- a lot of power and a lot of energy unleashed through a lot of plumbing that has to be perfect. and ever so slight a leak will ruin your day. and that is all it takes, is a slight amount of -- a turbo pump that fails or a pipe that springs a leak, one way or another, it can go from a good day to a bad day. you can go from zero on the ground to 17,000 miles per hour in the course of 8.5 minutes and that is serious acceleration and when you mix the kerosene fuel with an oxidizer and releasing it. it is unclear whether the rocket itself exploded or whether it was some sortd of -- sort of problem detected by computers or the human beings at the consoles that forced them to hit the red button that will destroy it or what we