In this video, engineers who designed the entry, descent, and landing system for NASA's Mars rover Curiosity candidly talk about the new landing system, and describe the challenges of Curiosity's final moments before touchdown on Aug. 5, 2012, at 10:31pm PDT. The video, "7 Minutes of Terror Video" included in "Lesson 6 Testing New Worlds Mars Colony" is a part of "Unit 02 Introduction to Science and Engineering Methods" included in Energy & Sustainability ES - Course 1.