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Here, with great fanfare, is the second installment of Engineer Guy Series #4: the MEMS accelerometer. With typical flair, Bill and his production team take us from the basic concept of an accelerometer (using the familiar ball-on-a-spring model), through the analogous silicon device that lets your smartphone tell up from down, all the way to the anisotropic etching techniques used to manufacture these complex, tiny machines. It’s wonders all the way down, with Bill, as usual. [Thanks, Bill!]

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I write for MAKE, serve as Technical Editor for MAKE magazine, and develop original DIY content for Make: Projects.


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