India, Feb. 26 -- XS! Two golden alphabets that sound like honey to anyone getting out of a gym and into a shopping aisle. Being able to shrink something that was L to S is never final but always fulfilling. From huge halls housing clunky clusters of metal beasts to mainframes skimmed into client-servers which, too, shrunk into PCs that, later, collapsed themselves to fit ultra-thin smartphones-computing has kept getting leaner, lighter and closer to the Average Joe and Jane. As also predicted very cryptically by all the laws circling the worlds of software and hardware. Things will shrink. And when they do, they will be an arm-length away.

Supercomputers could not have asked for a better moment than now to follow suit. There's quantum c...