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- My latest blog article. jimhannon.wordpress.com/2017/06/11/sim… 1 month ago
- I just published my latest blog article on the laser cutter/engraver build. wp.me/p12vwL-9Y 6 months ago
- Looks like a real nice day outside except that it is in the 40's and breezy. 1 year ago
- Go plots of more weather sensors up and running. Here is temp. with wind chill and dew pt. ocrslc.net/sensors/temper… 1 year ago
- My latest blog article. Did this a few years ago finally wrote it up. jimhannon.wordpress.com/2016/01/11/dig… 1 year ago
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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
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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