A third time: 1. We've had hard drives within a tenth of a degree of kelvin, and the effect you're asserting did not occur 2. You're offering no explanation f

A third time: 1. We've had hard drives within a tenth of a degree of kelvin, and the effect you're asserting did not occur 2. You're offering no explanation for what would actually cause this 3. The weight of a random superconductor is an irrelevant detail added for fake technical acumen We have had these devices at these temperatures, and the thing you're talking about did not occur. Until you can say why it would, there is no reason to take this seriously. We've already done this. Your speculation is invalidated by experience and data.