News Quantum Physics

Quantum ‘echoes’ reveal the potential of Google’s quantum computer

The calculation is apparently out of reach for classical computers, and its result can be verified

A gloved hand holds a shiny metallic quantum computing chip.

Google's Willow chip (shown) performed a quantum calculation that has the potential to be efficiently verified, and which apparently can't be achieved with a classical computer.

Google

By Emily Conover

For quantum computers to change the game of computation, scientists need to show that the machines’ calculations are correct.