Research at a snail's pace

Some of you may be familiar with the Raspberry Pi minicomputer concept. Some of you might also be familiar with the Arduino digital interf...

My soil mechanics students had their grain size analysis lab this week. It's fun - they get to analyze granular materials by playing wi...

Thanks to the ever helpful folks at LRRD , the colored sediment for my lab's Em2 arrived last week. I shot some high speed video of a sc...

A little test run with the new color-coded sediment that arrived last week. It's so pretty! I seem to recall some fluvia...

Part of my research deals with the history of rivers. Well, a few rivers in particular, but they are an example of how the landforms associa...

Today's stream table run was an adventure in basin geometry. I've been wanting to find a way to keep the stream from getting hung up...

Got the students to do some groundwater stuff in lab today. One of the steps was to estimate the permeability of a column of sand. I used th...

Sometimes there comes a product or concept that completely transforms the way you see things. This has happened to me recently when my lab g...

I let the stream table run for over 2 hours straight yesterday. I would have an even longer video, but the flash card on my camera filled up...

There's a new addition to the Dirt Lab's inventory. We're the proud owners of a shiny Em2 stream table, manufactured by the folk...

I ended up experimenting with making meanders today. I found that if you add just a little bit of extra "sand" to the lateral accr...

Before and after shots of the new stream table that arrived this week. If you look at the clock in the background, you can see that it only...