It all started with the arugula.

It all started with the arugula.

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...

The R&D things happen intensely.

The R&D things happen intensely.

Design-build of our first Em4 continues. Jesse worked with our Marion, Illinois machine shop today to finish details on the standpipe mechanism; he and the shop are doing a great job. The design is adventurous, so we’ll either have a beautiful little machine or...

Navier-Stokes video fun,  Emriver shipping, Em4.

Navier-Stokes video fun, Emriver shipping, Em4.

We had a busy Friday at LRRD. We’re hard at work on the Em4, and got an exciting and very expensive shipment of exotic materials for it. Jesse and Cara worked on shipping alternatives for the Emriver. We’re being asked to ship them to far places. At the...

Our frustrating and fun work at LRRD.

Our frustrating and fun work at LRRD.

Two Emriver models arrived via Fedex frieght 48 hours after shipping, clients surprised. Good work, LRRD. We worked on a device codenamed “Geo-bong,” and added a couple of destroyed pumps to the pump graveyard. More Emriver design modification, shown here....

Stratigraphy, black bean soup, and hawks.

Stratigraphy, black bean soup, and hawks.

Drawing on my hundreds of hours of undergrad student labor analyzing soil samples using the Bouyoucos method (here’s a study in good science and bad graphics on that topic,) I put our experimental color-coded plastic media into a 2.25 inch cylinder and inverted...