

Don't Panic Geocast
John Leeman and Shannon Dulin
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.
Episodes
Mentioned books

Aug 11, 2017 • 48min
Episode 131 - "Geology is hard to grock" Carolina Bays
John and Shannon address a listener question from Mike and then talk about where to find intelligent life. MetPy Mondays #1 Carolina Bays Episode 18 - Titan Dunes Fun Paper Carolina Bays (Wikipedia) Radiocarbon dating Optically stimulated luminescence Palynology Younger Dryas Fun Paper Friday Thanks to listener Jonathan for this thought provoking fun paper on life in the universe and where to find it. Lingam, Manasvi, and Abraham Loeb. “Reduced Diversity of Life Around Proxima Centauri and TRAPPIST–1.” arXiv preprint arXiv:1707.07007 (2017). Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

Aug 4, 2017 • 50min
Episode 130 - "Aspire Towards Accuracy" Chris Taylor
This week Chris Taylor joins us to talk about making scientifically accurate gifts. We also learn how ants can modify the world around us. Rachio Chris Taylor Taylor Custom Chris’ Comic Book Ant Colony Casting Fun Paper Friday Thank you listener Martin! Dorn, Ronald I. “Ants as a powerful biotic agent of olivine and plagioclase dissolution.” Geology 42.9 (2014): 771–774. Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

Jul 28, 2017 • 38min
Episode 129 - "I learned about rocks from a geophysicist"
John is on the mobile device spirit quest again, Shannon graduated a student, and we both took a break to talk about transform faults. We also learned that they are very complicated! Transform Boundaires John Tuzo-Wilson Reid’s elastic rebound theory Transform Faults (Good Wikipedia Illustrations) Fault Breccia Mylonite Pseudotachylite Fun Paper Friday Thanks to listener Mark, we’ll never sit at a wobbly lunch table again! Martin, Andre. “On the stability of four-legged tables.” Physics Letters A 360.4 (2007): 495–500. Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

Jul 21, 2017 • 49min
Episode 128 - "Super awesome nerd fest"
John just got back from SciPy and updates us on the state of scientific Python. SciPy 2017 Ryan and John’s talk on units John’s poster Katy Huff’s Keynote Sean Gulick’s Keynote nbgrader - Jess Hamrick Dask Scikit Learn Numba Katy Huff Interview (Episode 65) Fun Paper Friday What’s the chance that you bump noses on your next kiss? Can stats help reduce that? Find out on this week’s Fun Paper Friday! Karim, AKM Rezaul, et al. “The right way to kiss: directionality bias in head-turning during kissing.” Scientific reports 7.1 (2017): 5398. Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

Jul 7, 2017 • 32min
Episode 127 - "Tectonic plate sized bulldozers"
SciPy Abstracts Convergent Plate Boundaries Metamorphic Rocks Episode 55 (Plate Tectonics) Episode 116 - Metamorphic Rocks Critical Taper Theory Fun Paper Friday Are Sea Pickles just Sea Cucumbers that are really old? Find out on this week’s Fun Paper Friday! NOAA Press Release Livescience (better pictures) Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

Jun 30, 2017 • 41min
Episode 126 - "Quantitative Analysis of Cowbell"
Boaty McBoatface Article Divergent Boundary Rocks Basin and Range formation (YouTube) Divergent plate boundary Pillow basalt Gabbro Aulacogen East African Rift Fun Paper Friday Thanks to listener Mark for the paper suggestion and to Steve for the new cowbell! Ronen, Eyal, et al. “IoT Goes Nuclear: Creating a ZigBee Chain Reaction.” IACR Cryptology ePrint Archive 2016 (2016): 1047. Embedded.fm #175 Embedded.fm #192 Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

Jun 23, 2017 • 30min
Episode 125 - "Irony Abounds" Density Altitude
This week it’s hot… so hot that some airplanes cannot takeoff. We talk about atmospheric density and density altitude, as well as look into some histograms of what’s in your bellybutton! Tropical Storm Cindy Just One Damned Thing After Another: The Chronicles of St. Mary’s Book One Density Altitude International Standard Atmosphere Height - Velocity Curves Density Altitude Crash Video Fun Paper Friday How much fluff collects in your belly button and why? This author scratched his own itch. Literally. Steinhauser, Georg. “The nature of navel fluff.” Medical hypotheses 72.6 (2009): 623–625. Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

Jun 16, 2017 • 43min
Episode 124 - “I leave you guys alone for three weeks”
Shannon is back and we take some time to go over your feedback. Our email inbox was clogged all week, but should be running now, so get your sticker requests in! Embedded.fm 200th Episode FPF List John’s Timelapse Episode 12 - Tides Twain Harte Rock Exfoliating Fun Paper Friday Does jargon make you seem more or less professional? Found out in this week’s fun paper! Berman, Jessica R., et al. “Fellow use of medical jargon correlates inversely with patient and observer perceptions of professionalism: results of a rheumatology OSCE (ROSCE) using challenging patient scenarios.” Clinical rheumatology 35.8 (2016): 2093–2099. Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

Jun 9, 2017 • 1h 2min
Episode 123 - "Large crushing amounts of Snow" Dr. Anandakrishnan
This week, we mix things up a bit. This joint show between Embedded.fm and the geocast explores what happens when electrical engineering meets geoscience in cold places. We’re joined by guest Dr. Sridhar Anandakrishnan of Penn State to talk about geopebbles, ice, climate, and more! Asimov Robot Series Anthropornis (giant penguins) Ice crystal structure Ice streams GeoPebble Propeller Programming (Book) Fun Paper Friday The Boring Company Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

Jun 2, 2017 • 1h 1min
Episode 122 - "The speed of sound in spaghetti" Open Source
This week Shannon pops a surprise interview on John, asking all about open source. We talk about what it is, why people do it, and what it means for your cat videos. We round out the show talking about a physics problem that has stumped some of the greatest minds. EP 114 - “Chasrismatic Megafauna” (Flyover App) EP 177 - “Everything is a few weeks away” Open Drone Map Using Open Source Tools to Refactor Geoscience Education | SciPy 2016 | Lindsey Heagy John’s Geotech Class Open Source Hardware Association Embedded.fm 193: AXIOMATICALLY DID NOT HAPPEN Railroader’s Memorial Museum Arduino vs. Arduino Kirchhoff Equations Fun Paper Friday What problem could possibly stump the likes of Feynman? Turns out, it’s spaghetti! Audoly, Basile, and Sébastien Neukirch. “Fragmentation of rods by cascading cracks: why spaghetti does not break in half.” Physical review letters 95.9 (2005): 095505. Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin