Other multiple stars, termed trapezia, are usually very young, unstable systems.

The candidate for office was appointed by the king, and presided over a very unstable political system.

What, for example, are the psychological transitions from a stable to an unstable social system?

In this unstable system, upward drafts of air create thunderstorms.

The drawback was that having the third, steerable wheel in the rear created an inherently unstable system.

Mapping two devices to use the same physical memory addresses could result in a stalled or unstable system.

Instead, due to sensitivity to initial conditions, unstable systems can only be explained statistically, that is, in terms of probability.

A married couple forms a dynamically unstable system until the arrival of the first child converts it from a double to a triple group.

That means we are in an unstable system.

Another basis is the theory of unstable dynamical systems and chaos theory.