Now Playing: 08-03-12 Marketplace Tech Report

The Curiosity is the latest Mars rover and it's set to land on the red planet on Sunday. It's the heaviest rover ever, 2,000 pounds. But besides being bigger than previous rovers, Curiosity is a big step forward in technology: It'll have cameras that'll produce the highest resolution images that we've seen from Mars yet, and a laser that will pump the energy of a million lightbulbs into the spot the size of the pin for five billionths of a second. Plus, Tech Report Theater with actors in the roles of Yelp reviewers.