Epstein has refined his model in the six years since it was first released, but so far reality seems to be matching his predictions.

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The Windows 8 innovations coupled with additional embedded functionality for edge devices will help them quickly and efficiently deliver differentiated solutions with security enhancements, a refined application model and touch-first industry experiences.

ENGADGET: Windows Embedded 8 Industry scheduled for release first week of April

Since then, the geological model has been refined.

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In time, this model will become so refined that you can adjust opportunistically to changes in your environment as you become aware of them.

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Republicans have refined their "premium support" model of Medicare reform since 2011, and Mr. Ryan considered applying it to those older than age 55.

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Former Clinton White House budget director Alice Rivlin worked closely with him on the model, and it was refined after further collaboration with Sen.

WSJ: Choice of Paul Ryan Means Medicare Could Be Hotly Debated in Campaign

The Model S is so much more refined, so much more polished that you can hardly compare the two.

ENGADGET

This 2013 model is faster, quieter and more refined.

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Now it's the winter of 2013, and in the latest issue of our weekly, we settle in behind the wheel of the Model S to determine if Tesla's refined offering has the chops to lead the EV fleet.

ENGADGET

Frank Gehry, a godfather of contemporary American design if there is one, is shown crumpling paper or aluminium foil into a form, and then scanning the shape by computer in order to reduce it to two dimensions or make it into a model, so that a design can be refined or manufactured.

ECONOMIST: American blobjectivity | The