Category Archives: Uncategorized

Infrasonic Microphone Part I

Posted on April 5, 2013 by

Another sensor planed for my atmospheric observatory is an infrasonic microphone. I have a design sketched out and have started on fabricating the mechanical bits needed. So what is an infrasonic microphone  good for? The recent Chelyabinsk meteor was detected … Continue reading →

Posted in Amateur Science, DIY, environmental monotoring, Machine Shop, Uncategorized | Tagged , , , , , , , | Leave a comment

Judging the Eastern Iowa Science and Engineering Fair

Posted on March 16, 2013 by

I volunteered to help judge the Eastern Iowa Science and Engineering Fair this year. This years fair was held this morning (Saturday 16 March) at Lindale Mall in Cedar Rapids. This is a regional science fair with entrants coming from … Continue reading →

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Shepherds

Posted on April 22, 2011 by

As I mentioned in a previous post I spent two years living in the middle east. There was a large mountain range just north of the city where we lived.  I really enjoyed hiking in the mountains with some of … Continue reading →

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Heat Treating

Posted on February 24, 2011 by

I am in the process of building an amateur seismograph. This instrument will come close to the performance of a professional instrument. To achieve this it takes more effort than just cobbing together some simple gadget. One of the things … Continue reading →

Posted in Amateur Science, Metal Working, Uncategorized | 3 Comments

Kaploosh

Posted on September 1, 2010 by

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