The Bat—they called him the Bat.[…]. He'd never been in stir, the bulls had never mugged him, he didn't run with a mob, he played a lone hand, and fenced his stuff so that even the fence couldn't swear he knew his face.

Gimbal lock occurs when the pitch nears 90° or 270°, causing the bank and heading to lie along the same plane. This limits the item to only two rotation axes, as the bank and heading effectively do the same thing.

That he who has the time should lack the force, that she who has the force should lack the time! That a trifling and in all probability tractable obstruction of some endocrinal Bandusia, that a mere matter of forty-five or fifty minutes by the clock, should as effectively as death itself, or as the Hellespont, separate lovers.

While there can still be a tendency for allosexual characters in YA science fiction to perform conscious and unconscious microaggressions against ace, acespec, aro and arospec characters, some recent novels manage to challenge the aphobic presumption of compulsory sexuality, and to ultimately create and sustain asexual-inclusive speculative worlds.