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Generally, the more activity centers a household lives near, the shorter their total travel throughout the year. While this pattern holds when looking at proximity to any number of nearby activity centers, residential proximity to the fifth-nearest activity center holds the strongest explanatory power for overall residential travel patterns.

Building for Proximity: The Role of Activity Centers in Reducing Total Miles Traveled | Brookings

clean electricity

The standard way to envision this is to imagine yourself at the center of a large carousel and tossing a ball to someone positioned on the edge. By the time the ball gets to the perimeter, the target person has moved on and the ball passes behind him. From his perspective, it looks as if it has curved away from him. That is the Coriolis effect, and it is what gives weather systems their curl and sends hurricanes spinning off like tops.

A Short History of Nearly Everything

Bill Bryson

It also explained why ocean floors everywhere were so comparatively youthful. None had ever been found to be older than about 175 million years, which was a puzzle because continental rocks were often billions of years old.

A Short History of Nearly Everything

Bill Bryson

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