Why AI’s Biggest Risk Is Chips
Hosted by Madelyn O'Farrell on October 7, 2026
Show Notes
In this episode, host Madelyn O’Farrell sits down with Rakesh Kumar, University of Illinois professor and semiconductor expert, to explore the technology and economics behind the global chip industry. Kumar explains how the rise of AI is driving demand for chips while high factory costs, long construction timelines, and uncertainty about future demand make it difficult for supply to keep pace. They discuss the risks those dynamics could create for AI companies and the broader economy, what gives Nvidia its competitive advantage beyond CUDA, and whether the CHIPS Act and U.S. export controls are achieving their goals. The conversation also examines how flexible designs, general-purpose chips, and chiplets could make supply chains more resilient, and looks ahead to possible advances in optical communication and three-dimensional chip architecture.
Highlights from their conversation include:
- Rakesh Kumar’s Path Into Semiconductors (0:46)
- Why Chips Matter to the Public and Policymakers (2:02)
- Rising Chip Costs and the Economic Risks of the AI Boom (6:51)
- Nvidia’s Competitive Moat Beyond CUDA (13:19)
- The CHIPS Act: Spending, Research, and Results (15:09)
- U.S. Export Controls and China’s Chip Industry (19:19)
- Why Semiconductor Supply Chains Are Fragile (22:32)
- Building Resilience With General-Purpose Chips and Chiplets (25:58)
- The Future of Computing: GPUs, Photons, and 3D Chips (27:58)
- Final Thoughts and Takeaways (32:00)
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