Physicists just made a breakthrough: quantum states that last over 5 seconds

https://www.anl.gov/article/researchers-set-record-by-preserving-quantum-states-for-more-than-5-seconds

"Enough time to perform 100 million quantum operations... To reduce that infamous background noise, the researchers made their qubits out of highly purified silicon carbide samples... Each pulse is like hitting the undo button on our qubit, erasing any error that may have happened between pulses... want to create a new generation of devices that are sensitive to single electrons, but that also host quantum states. Silicon carbide can do both, and that's why we think it really shines...