For half a century, the exponential increases in computing performance have powered the digital age. These gains were achieved by shrinking the components on computer chips, meaning that each new generation of semiconductor technology has been faster and more efficient than the last. But, with engineers now facing limits to how much further silicon chips can shrink, and ever-increasing demand thanks to the AI boom, chipmakers are having to get creative. What are the technical innovations they hope will keep the world’s AI ambitions on track?

Host: Alok Jha, The Economist’s science and technology editor. Contributors: Shailesh Chitnis, The Economist’s global business correspondent; Eric Pop of Stanford University; David Patterson, professor emeritus of the University of California, Berkeley; and The Economist’s Rachana Shanbhogue.

Transcripts of our podcasts are available via economist.com/podcasts.

Listen to what matters most, from global politics and business to science and technology—subscribe to Economist Podcasts+.

For more information about how to access Economist Podcasts+, please visit our FAQs page or watch our video explaining how to link your account.