But if this continues for one or two years, it will become unstable.

ECONOMIST: Indian banks

Plenty of bugs just cause the software to act flaky or become unstable or hang without offering an attacker any inroads into the machine.

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Quite a few monetary crises and problems emerged too, mostly due to an unstable currency, or the threat that a currency could become unstable.

FORBES: Let It Be Known That No Financial Crisis Was Ever Caused by Stable Money

The particle causes seemingly stable situations to become suddenly very unstable, thereby imparting impressive changes to a physical system.

FORBES: Wall Street Discovers The God Particle

That slows the next reaction, a problem because the substance that will become the drug is highly unstable and decomposing, sharply lowering the yield.

WSJ: Researchers Manipulate HIV Drug's Chemistry to Lower Cost

Shot in black and white, Disney's "attractions" become nightmarish specters as perceived by White's unstable mind.

CNN: Why Disney might want to 'Escape From Tomorrow'

Despite unstable prices throughout 2011, there is some expectation that rare earths prices might become more stable in 2012.

FORBES: 2012 Outlook: Uncertainty Continues For Rare Earths Prices, China Still Major Player