Quantum computers are (almost) here

The quantum-computing revolution is tantalisingly close. What was once a scientific challenge is now just an engineering one. We visit one of the world’s most sophisticated quantum systems to investigate how to build a commercially useful machine. Guests and hosts: - Tim Cross, The Economist’s senior science writer - Jerry Chow and Daniela Bogorin of IBM - Alex Hern, The Economist’s AI writer Topics covered: - Quantum computers - Cryptography - Artificial intelligence 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 The Economist.