Jensen Huang hosted a “Quantum Day” during GTC, Nvidia’s annual developers conference, where experts shed light on quantum-computing progression. The Nvidia CEO said quantum computers will solve problems more important than just faster food deliveries and more powerful spreadsheets.

Nvidia CEO Jensen Huang offered a quantum-level climb-down on Thursday, after spooking quantum-computing companies earlier this year with his assessment that their efforts wouldn’t be “very useful” for 15 to 30 years.

Jensen Huang didn't expect his doubts about the immediate commercial viability of quantum computers to affect Wall Street-listed companies so drastically. As part of Nvidia's recent