On the other hand, this conflation makes far more sense in the long term, as our electrical grid becomes more sophisticated, and as electric vehicles begin the inevitable switch from internal combustion engines to electric motors or some other renewable source of power.

FORBES: What the Price of Oil Means for Solar Power and Electric Vehicles

Admittedly, this unusual memory requires an internal light source, but the amount of illumination required is tiny and consumes less power than the logic circuits that are used to read data in and out.

ECONOMIST: Just press print