This is potentially a very important discovery; Bruce Kane's quantum computer proposal, viewed by many as the best candidate for large-scale QC in a chip-like solid state system, depends on the ability to measure single electron spins, and no one has been able to come close to that until now. Unfortunately, this particular effect was observed in very special conditions: around a Ni impurity in BSCO superconductor below 1K. So don't be looking for your QC coprocessor in a DIP package any time soon.