There's also this fantastic subtle pun: "A chunk of helium ice would behave as a single, solid, oversized, and stupefyingly slippery atom, which may be capable

There's also this fantastic subtle pun: "A chunk of helium ice would behave as a single, solid, oversized, and stupefyingly slippery atom, which may be capable of passing ghost-like through certain materials. But that's another matter altogether."