Team members at NASA's Jet Propulsion Laboratory share the challenges of the Curiosity Mars rover's final minutes to landing on the surface of Mars .
It may be described as reasoned - even genius - engineering. But even the engineers who designed it agree it looks crazy. Six vehicle configurations, 76 pyrotechnic devices, 500,000 lines of code, zero margin for error. What exactly will it take to land NASA's next Mars rover, Curiosity, on the surface of Mars on Aug. 5? The latest video from NASA's Jet Propulsion Laboratory breaks down all "7 minutes of terror."