intense fluctuations

Even if she couldn't see the crystals, the relays wouldn't stand up to the intense fluctuations that dilithium systems sometimes produced when the crystals were stressed.

It captures the intense fluctuations of feeling, the rapid alternation of exhilaration and fury, love and despair, that characterizes new parenthood."

At the locally intense fluctuations, turbulent 'spots' are formed that eventually coalesce into fully turbulent flows that burst forth in the form of growing and spreading spots.

All night I lay happily awake tuned in on this Soviet show or whatever it was; when the sun came up I was still flat on my back, fully awake, not frightened, not worried, having been bathed in the intense fluctuations of brilliant colors for over eight hours.