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Arduino Projects to Save the World
book

Arduino Projects to Save the World

by Emery Premeaux
December 2011
Intermediate to advanced
256 pages
7h 17m
English
Apress
Content preview from Arduino Projects to Save the World

C H A P T E R  6

The Mass Effect

Measuring Earthquakes with a Digital Seismometer

March 11, 2011 is a day I will never forget. I had just arrived home to my Tokyo apartment and was searching the house for some documents I needed for an urgent errand. As I leafed through stacks of papers on my desk, I began feeling the all-too-common motion of an earthquake. Having lived in Tokyo for five years, the sensation had become commonplace in my mind, and I continued looking around. At first, I assumed it was just like all the other minor quakes I had experienced in the past.

After a few moments, the motion did not subside. Instead, it began to sort of swirl. The ground was not shaking in just one direction. It felt like I was bobbing in the ocean rather ...

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Publisher Resources

ISBN: 9781430236238Purchase book