AOL.com Video - NASA Jet Propulsion Laboratory's Tom Rivellini Backstage at Expand

VIDEO:Tech

NASA Jet Propulsion Laboratory's Tom Rivellini Backstage at Expand

Description:Rivellini co-invented the sky crane landing system that helped the rover plant its wheels on the red planet. He met with us backstage to discuss the challenges that have been encountered with these feats of engineering, and what he's currently working on: a new parachute and heat shield system for landing spacecraft carrying humans or larger rovers on Mars. (19:35)

Source: engadget

Tags: engadget , engadget expand , engadget expand san francisco , how rockets are built