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Slippery Ships That Float on Air

SCIENTIFIC AMERICAN -- Air pumped below the waterline into subsurface cavities of the ship's hull creates buoyant pockets that help reduce drag. Because less energy is required to propel the ship, less oil needs to be burned and emissions can be cut by as much as 15 percent. Read More

Perspectives

What do sensors add to a decision support system?

Written byMatt Ball
on May 22, 2012

An often-quoted Business Week article from 1999 stated that, “In the next century, planet Earth will don an electric skin…”...

Is it time for focused publications that aim to make sense of change at both the global and local scales?

Written byMatt Ball
on May 15, 2012

Change is a constant that is inevitable, but what isn't inevitable are disruptive impacts. The more we know about our...

GeoEye Proposes to Purchase DigitalGlobe

Written byMatt Ball
on May 04, 2012

The mergers and acquisitions within the geospatial technology space are white hot right now, with news Friday that GeoEye approached...

Why did Trimble buy SketchUp, and why did Google sell?

Written byMatt Ball
on April 29, 2012

It’s funny, my first reaction to the Trimble buys SketchUp news was that it was some kind of spoof, and...

If Enhanced View cuts come, why not remove resolution restrictions?

Written byMatt Ball
on April 22, 2012

A feature in the New York Times outlines the battle that is brewing in Congress to defend the use of...

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