John Leeman and Shannon Dulin

Don't Panic Geocast

Science EN ↓ 433 episodes

John Leeman and Shannon Dulin discuss geoscience and technology weekly for your enjoyment! Features include guests, fun paper Friday selections, product reviews, and banter about recent developments. Shannon is a field geologist who tolerates technology and John is a self-proclaimed nerd that tolerates geologists.

Author

John Leeman and Shannon Dulin

Category

Science

Podcast website

www.dontpanicgeocast.com

Latest episode

Jun 26, 2026

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Episodes

Episode 81 - "Landscape Bulldozers" The Driftless 12.08.2016

This week we address a listener show request from Mike about the Driftless region and address the phenomena of Pokemon Go. Can it improve our spatial reasoning? Cliff Clavin Example Driftless Region Geologic timescale reference Milankovitch cycles Laurentide Ice Sheet Post Glacial Rebound Wisconsin Glaciation Episode 51 – “Regelation. I think I had that for lunch the other day” Glaciers Episode 68...

Episode 80 - "Dam Nation" 05.08.2016

Having just got back from vacationing near a river, Shannon’s mind is wondering (and wandering!) about dams and their impacts, both good and bad. People use dams for electricity, recreation, flood control, and a myriad of other things. Let’s take a look at some huge dams and what they do to both communities and rivers. Oroville (1968) is the tallest in the US, and earthen dam in CA 770’ high Hoove...

Episode 79 - "Secret Balloon Barn" 29.07.2016

Forecasting the weather is tricky business. You need a lot of information. While surface observations can get us a lot of data, we still need information about what is happening far into the atmosphere to make meaningful models and predictions. Thats where weather balloons come in. This week we talk about how upper air observation works as well as Jupiter’s atmosphere on Fun Paper Friday! Weather...

Episode 78 - "Just trying to narrow down the issue" Apollo 11 23.07.2016

This week we discuss the anniversary of the first manned lunar landing and how a software glitch puts over 40,000 brain studies at risk. Apollo 11 Apollo 11 Neat landing visualization with audio Crew: Buzz Aldrin , Michael Collins , and Neil Armstrong Code on GitHub Lunar Module Code Walkthrough (Video) Saturn V Graphic XKCD - up-goer 5 Easy reading of Apollo 11 events Digital Apollo The Dish (mov...

Episode 77 - "It's Swedish Fish day" SciPy 2016 15.07.2016

British Geological Survey Hackathon SciPy 2016 A few SciPy talks Modeling Rate and State Friction with Python | SciPy 2016 | John Leeman Working towards all the Geophysics, but Backwards | SciPy 2016 | Rowan Cockett Using Open Source Tools to Refactor Geoscience Education | SciPy 2016 | Lindsey Heagy MONTE Python for Deep Space Navigation | SciPy 2016 | Jonathon Smith Reproducible, One Button Work...

Episode 76 - "You can't runaway in an oxbow lake" 08.07.2016

This week a massive landslide took place in Alaska. Join us to discuss it, Jupiter’s wife, and electric eels on a geo-news episode! July 7, 2016 Oklahoma Heat Bursts AGU Landslide Blog Article Gizmodo Article on the landslide Phys.org Article Landslide Dynamics Juno reaches Jupiter Fun Paper Friday Electric eels are creepy, but did you know that they can jump out of the water to better shock intru...

Episode 75 - "It tells you where they like to vacation" 01.07.2016

What’s your favorite formation? It’s like asking a geologist what their favorite book is. Find out what Shannon has to say about the Fountain formation and then we connect it to metal music. Book Club! Fountain Formation Red Rocks Amphitheatre Flatirons Ancestral Rocky Mountains John McPhee Fun Paper Friday What are the risks of headbanging to music? Would you believe there is a paper about it? Pa...

Episode 74 - "You pay $5000, then leave" 24.06.2016

This week we talk about how academic papers get published and all the strange things they go through before you read them. Shannon also found us a fascinating fun paper about trees sleeping. Feedback Video of SF before and after the earthquake Publishing Open Access Publishing Episode 25 – “Scientists studying scientists” with Dr. Elizabeth Seiver Fun Paper Friday Do trees sleep? The answer may su...

Episode 73 - "A gigapan from 1906" 18.06.2016

This week we talk about how one very famous aerial photograph was taken and how it relates to one of the most devastating earthquakes of the last century. Feedback An Introduction to the Use of Generalized Coordinates in Mechanics and Physics by William Elwood Byerly Berg Wind (Wikipedia) Berg Wind (AMS) The most famous kite based photograph 1906 Earthquake (USGS) George R. Lawrence Alton Limited...

Episode 72 - "I have a lot of words" 10.06.2016

Shannon has been feeling the effects of topography, temperature, and field weather conditions. This week we link geology and meteorology talking about Orographic lift and other made up words. Alvin Orographic Lift Anabatic wind Stoss Adiabatic Processes Atmospheric Lapse Rates Foehn Wind Katabatic Wind Chinook winds in Oklahoma Lenticular clouds Chinook Arch Rain Shadow Fun Paper Friday Swearing c...

Episode 71 - "My New MacBook" Summer Manifestos 03.06.2016

This week we kick off summer shorts with our 2016 summer manifestos and talk about a relieving #FunPaperFriday. Shannon’s Manifesto Work (again) on my first proposal Work with grad students on their projects High School Geoscience Academy Publish Dissertation Papers Setup a webpage Master the Mac John’s Manifesto Begin to tie together dissertation document Make a web application Get my General Cla...

Announcement - Book Club! 31.05.2016

Hey everyone! We've teamed up with The Orbital Mechanics to start a book club. Head over to theorbitalmechanics.com/bookclub and vote for what we should read together. 

Episode 70 - "Lake Bottom Seismometers" Natalie Accardo 27.05.2016

This week we interview guest Natalie Accardo to learn about various seismic projects and lake bottom seismometers! We then pack pears with a behavioral #FunPaperFriday. Natalie’s website East African Rift system Lake Malawi SEGMeNT project 99% Invisible Podcast - Reefer Madness Airgun Test (Highspeed - YouTube) Evernote SUGAR Project Fun Paper Friday Chang, Tom, and Tal Gross. “How many pears woul...

Episode 69 - “Pretentious way to say raindrop” 20.05.2016

It’s raining. A lot. This week we talk about how we measure precipitation. We then discuss how beetles use stars to navigate in this week’s Fun Paper Friday. Rain Measurement Korean Cheugugi Tipping bucket Standard Rain Gauge Pluviometer of intensities Weighing Rain Gauge Optical Rain Gauge IR Rain Sensor Acoustic Rain Gauge Fun Paper Friday el Jundi, Basil, et al. “A Snapshot-Based Mechanism for...

Episode 68 - "It's kind of magical down there" Kiya Riverman 13.05.2016

This week we interview Kiya Riverman about crawling around in caves… underneath a glacier! Join us to learn about glacial hydrology and what it’s like being inside the glacier. Kiya’s Website Into the Belly of a Glacier - EOS Cave Surveying and Mapping Structure from motion Kinect Point Clouds Moulin Esker Saint-Venant Equation Navier-Stokes Equations University Centre in Svalbard Fun Paper Friday...

Episode 67 - "Rock Drills and Beer" Undersampled Radio 03.05.2016

We’re back! On this surprise Tuesday show we talk with the hosts of Undersampled Radio. Pomeroy Rock Drill Matt Hall (@kwinkunks) Graham Ganssle (@GrahamGanssle) Undersampled Radio (iTunes) Contact us: Show - www.dontpanicgeocast.com - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin  

Episode 66 - "I'm going to stomp my hat now" Stress, Strain, Folding, and Faulting 29.04.2016

This week we talk about all the wonderful feedback we’ve been getting, plus about how rocks can bend and break. We then tie it all up by talking about material properties of wood and how staining a violin can change its sound. REPRODUCIBLE COMPUTATIONAL RESEARCH: A history of hurdles, mostly overcome Folding and Faulting Flat-lying rocks Nicolas Steno Principle of Original Horizontality Stress Str...

Episode 65 - "If it's not in the index, I'll be in my office" Katy Huff 22.04.2016

Katy’s Website Effective Computation in Physics Physics Codes Seminar Git Page Jupyter Notebooks Software Carpentry The Most Dangerous Writing App Katy’s SciPy Lightning Talk Jean Bahr Fun Paper Friday You are getting sleepy, very sleepy. On the count of three you will read this fun paper about hypnotic suggestion! Oakley, David A., and Peter W. Halligan. “Hypnotic suggestion: opportunities for co...

Episode 64 - "A is for Anticline" 15.04.2016

This week join us for our own alphabet aerobics as we fly through the geologic alphabet! John’s Deines Lecture A - Anticline B - Breccia C - Coulomb Failure D - Dikes E - Earthquake F - Facies G - GPR H - Halimeda I - Induced Polarization J - Jadeite K - Knickpoint L - Leaverite M - Moho N - Nappe O - Ooids P - Paleomagnetism Q - Quicksand R - Rift S - Seismic T - Tektites U - Uniformitarianism V...

Episode 63 - "I did stay at a Holiday Inn Express last night" 08.04.2016

We spend a lot of time working with our hands, in fact that’s why we can do science at all. It’s shocking the amount of science ignorance and lack of skill floating around. This got us wondering we are bad at science and where the practical skills we have are going. Then we found some articles! There’s a good reason Americans are horrible at science Mistakes Were Made (But Not by Me) Understanding...

Episode 62 - "A perpetually fresh hot tub" Hot Springs, AR 01.04.2016

This week we talk about Hot Springs, the geologic feature and the town in Arkansas. Shannon is going there to visit and have students map the town’s complex geology and see the hot waters. We also scream about this week’s fun paper and the spectral characteristics of screams, alarms, and music. Feedback Quake Catcher Network d3 Hot Springs Springs Mineral Springs Hot Springs, Arkansas Hot Springs...

Episode 61 - "Squiggly McSquiggleface" 25.03.2016

This week we catchup on feedback and news, discuss ship naming conventions, and learn about an old gravity experiment! What do the Apollo missions and a Scottish mountain have in common? Listen to find out! Feedback/News RSS Boaty McBoatface Undersampled Radio Neat geological time scale from listener Martin Listener Bart recommended an app called “Start10” The Orbital Mechanics Episode 48 GNU Octa...

Episode 60 - "Open Source is Magical" Martin Pratt 18.03.2016

This week we are joined by guest Dr. Martin Pratt to discuss new ways to visualize your data and express the frustrations we still deal with on a daily basis. Martin Pratt Martin’s Website Martin’s Github Doppler Shift Scrolling 3D (stereo) screens Microseism Hololens Science on a Sphere Google Earth NASA WorldWind ESRI ArcGIS Earth ParaView GPlates GMT Python and Matplotlib SnagIt Screen Flow Wor...

Episode 59 - "You get a lot of bloat-ware, but you don't get a compiler" 11.03.2016

This week we talk about mounds of feedback, learning new skills, and where to tackle the problem of computer programming. It’s for everyone and it’s really not scary! The Origins of MATLAB Just in time compilation LabView Fortran List of programming languages Agile Geoscience Pseudocode Python Crash Course Learn Python the Hard Way Effective Computation in Physics Fun Paper Friday What happens whe...

Episode 58 - "The background on my phone is a thin section" Hannah Rabinowitz 04.03.2016

Hannah’s Website Seismic Sound Lab Girls’ Science Day Penn State Trash Can Experiment Research as Art Caddisfly jewelery Olivine under the microscope Earth Pottery LDEO Research as Art Swansea University Art Competition University of Arizona - The Art of Planetary Science University College London - Research Images as Art University of Florida - Finding Beauty in Biology University of Wisconsin, M...

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