Second, that orbit looks so unstable that he thinks it unlikely that it could have lasted for the 4.5 billion-year history of the solar system.

ECONOMIST: X marks the spot

Put simply, when the dollar is unstable so is the trade that is the basis of economic activity.

FORBES: The Floating Dollar In An Unstable World

Problem is, lithium ion batteries are inherently unstable, so safety systems have to be built in to prevent the batteries from getting too hot from, say, overcharging.

FORBES: Magazine Article

The fundamental fact is that the family patriarch, Pinot Noir, is notoriously unstable because it is so promiscuous in producing mutations.

FORBES: White Wine From a Black Sheep

They are made in exploding stars called supernovae, in which the energies are so high that nuclei get squashed together into otherwise unstable configurations.

ECONOMIST: Sir Fred Hoyle

Unfortunately most animals are not so adaptable and if these changes happened rapidly due to an unstable planetary wobble, then most animals would not be able to evolve quickly enough to hibernate or migrate out of harm's way.

BBC: Why the Moon is getting further away from Earth

The fundamental fact is that the family patriarch, Pinot Noir, is notoriously unstable-not in an Ozzy Osbourne sense, but because it is so promiscuous in producing mutations.

FORBES: Pinot Gris makes the Pinot family proud.

What our economy needs now is a stronger dollar, but foremost it needs a stable dollar so that capital can more rationally reach its most productive use, free of the investment distortions and illusions wrought by unstable money values.

FORBES: Dispelling long-held misconceptions