Beautiful spring Sunday, with two kinds of worms.

Apr 20, 2008

I went into work early and finished testing our valve and metering array for the Em4. It’s working, and at least conceptually finished. We may have figured out our media color scheme as well, we’ll see. Here’s the ugliest combination for fun. Spring...

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Earthquake video fun, Em4 testing.

Apr 19, 2008

Don’t miss this video of a weather broadcast from Evansville, Indiana at around 4:30am last Friday, as an earthquake occurred. Weather cameras mounted on towers and tall buildings turn out to be good seismometers. Evansville’s about 40 miles from the...

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It all started with the arugula.

Apr 18, 2008

Kate wanted to go out for dinner last night but I insisted on making a specialty of mine, wood smoked pizza on the grill. Somewhere in there I froze three beers, and what I thought was spinach was arugula (photo). This evil weed did not make it onto the pizza, but I...

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An Emriver out, Em4 design/build, more spring.

Apr 16, 2008

Jessie and I cranked on Em4 pump testing, electronics, flow measurement, and the dye injection system. We are getting some hard lessons in hydraulics. The piped and centrifugal pump version has important differences from the open-channel kind I know well. Today it was...

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Pumping water in the parking lot (Em4 test).

Apr 16, 2008

We tested a new pump and flowmeter for the Em4 today. Taking advantage of a beautiful spring day, we set up outside. True to first tries, the flowmeter didn’t work and the valve manifold cut our pump output to 1/3 of what we needed. But we got most of it...

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