Catalog · Innovation Systems for Science, Technology, Energy, Manufacturing, and Health Lecture 4 of 24 Class 2, Part 2: Innovation Systems and Direct/Indirect Elements in the Innovation Ecosystem ← Previous Class 2, Part 1: Innovation Systems and Direct/Indirect Elements in the Innovation Ecosystem Next → Class 3, Part 1: The Competitive Challenge to U.S. Manufacturing ✓ Mark complete Materials Transcript (PDF) ↗ transcript