But again not because of invisible hands nor even because of markets or even not markets.

FORBES: The Death of Macroeconomics: There is No Invisible Hand

These four snapshots suggest rare earths aren't so different after all from any other good or service for which markets set prices and invisible hands allocate supply and regulate demand.

WSJ: Business Asia: Postcards From the Rare-Earth Front

He eats gratefully, messily, his hands touching the invisible, marvellous food in the darkness.

NEWYORKER: See the Other Side

Not surprisingly, reports of the test-firing have reignited calls to ban 3-D-printed guns, which critics fear could easily fall into the wrong hands and create safety concerns because they'd be invisible to metal detectors.

CNN: Video shows test firing of 3-D-printed handgun