I’m calling bullshit on this one. The sheer energy required to keep it at such a low temperature to do anything is insane. I have a sneaking suspicion this one is going to come out as BS in a few months.
Last I reviewed the quantum topic they were a long ways away from getting them to work properly and god knows how long before it would even be possible outside of one very specific situation.
In time things will get better as technology always advances