Spaceflight start-up, SpaceX, has been demonstrating the potency of its SuperDraco rockets, testing at its own facility over in Texas. The rockets will help land its Dragon spacecraft -- as demonstrated in a swish animation last year. They will also power emergency escape functions, something that will, according to founder Elon Musk, make the Dragon "the safest spacecraft in history." It has already made a successful orbital flight and will tote eight engines apparently offering up to 120,000 pounds of thrust to the spaceship. Unfortunately, SpaceX's plan for a February lau
