Tech companies have been funneling billions of dollars into quantum computers for years. The hope is that they'll be a game changer for fields as diverse as finance, drug discovery, and logistics. Those expectations have been especially high in physics and chemistry, where the weird effects of quantum mechanics come into play. In theory, this...

This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. Why AI could eat quantum computing's lunch Tech companies have been funneling billions of dollars into quantum computers for years. The hope is that they'll be a game changer for fields as diverse...