Challenges of Getting to Mars: Curiosity's Seven Minutes of Terror

Watch the following movie:
http://www.youtube.com/watch?feature=player_embedded&v=Ki_Af_o9Q9s

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

What not to do:

http://www.picotech.com/experiments/dropping_egg/dropping_eggs.html