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Sean Michael Ragan

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.

Latest from Sean Michael Ragan

The Easydriver

We started doing tool-review-Tuesdays—inevitably compounded to "Toolsdays" in short order—in early 2011, and 2012 has been the column's first full calendar year. The reviews are written on a volunteer basis by MAKE staff and friends. Sometimes a manufacturer or retailer provides a review unit, but as often as not, the... Read more »

3D-printed AR-15 lower receiver

This is the lower receiver of an AR-15 rifle, printed in fused plastic filament from a digital model that was, until this week, freely available for download on Thingiverse. This component is significant because all other parts of the common rifle can be readily purchased in the open market. A... Read more »

At normal listening distances, an array of twelve speakers arranged on the faces of a dodecahedron is a very good approximation of a point sound source, and the sound waves it produces are very close to perfectly spherical. A dodecahedron speaker can be a useful tool in acoustics research, and... Read more »

Recently, we’ve been brainstorming ideas for a breadboarding workshop to put on at Maker Faire and other events. Hoping to save participants the tedium of cutting and stripping their own jumper wires (and the cost of providing readymade jumpers) we hit on the idea of using staples. I first read... Read more »