Wherever the light hits the material, it hardens into a polymer, creating a grid of cells full of liquid crystal.

ECONOMIST: REPORTS

When light strikes a CCD, it excites the electrons in the chip, creating a grid of charged elements or pixels (for picture elements).

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The MIT Sloan School of Management introduced its "competency model" in 2000, creating a four-zone grid that measures demonstrated success, such as test scores and standout work experience, and personal attributes, such as relationship-building skills and sensitivity to others.

WSJ: Business Schools Know How You Think,

The Smart Grid enables a market system that provides cost-benefit tradeoffs to consumers by creating opportunities to bid for competing services.

FORBES: Baking the Smart Grid Books: Study Estimates Costs and Benefits

One challenge would involve creating a magnetic head that could hover over those dots, read their signal and write new data onto the grid.

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