The way she sees it, the incident was a perfect storm of unstable elements, with her caught haplessly in the middle.

Gego is thus allowed to play with the idea of the stable and unstable elements of art.

They always get rid of unstable elements first.

They also study the characteristic behaviors of certain radioactive or unstable elements.

If you're looking for skeptical poststructuralist experiments with language's unstable elements, though, look elsewhere.

Not only physically, but it is clearly attracting a large nexus of unstable social elements.

It would introduce an unstable element to a critical situation.

Or on a slender column of mercury, that unstable element.

Still, he is an unstable element in the current equation, and I would just as soon keep him out of it entirely, if possible.

To do so would introduce an 'unstable element' into a critical situation.