Phase and Coherence

Imagine we are in a blimp floating over a great stadium where the Beach Boys are performing a farewell concert. Tens of thousands of people are standing on the grass in front of the stage. The Beach Boys begin to sing their old favorite ballad, Surfer Girl. Audience members link up into long rows, putting their arms across the shoulders of the person on either side, and begin rocking back and forth to the rhythm of the music. From above, we can see that all the rows are … Read more… […]

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Brain Car

The Brain as a Car Intelligence If your brain were a car, intelligence would be the horsepower of the motor. What you train when you train your brain is the transmission. You can have a 400-horsepower engine, but if your transmission only has first gear, you can’t take it out on the highway. Transmission is […]

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The Tree

The Story of the Tree Many years ago, when I first moved to Atlanta Georgia, we bought a house that had a great old tree in the backyard. Unfortunately, by the time we got the house, the tree was not looking very healthy, so we set about trying to figure out how to help it. […]

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