Google’s new quantum computer: groundbreaking or overhyped?

Google has unveiled a new quantum computer, reasserting its lead in the race to prove that these unusual machines can beat even the world’s best conventional supercomputers. So does that mean we’ve finally arrived at a useful quantum computer?

Researchers at the tech giant unveiled their quantum computing chip Sycamore in 2019, becoming the first in the world to demonstrate this feat known as quantum supremacy. But since then, supercomputers have caught up and left Sycamore behind. Now, Google…