Category Archives: Uncategorized

Infrasonic Microphone Part I

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

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Judging the Eastern Iowa Science and Engineering Fair

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

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

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

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Kaploosh

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