

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

Sep 22, 2017 • 44min
Episode 137 - "There's no lake now"
John and Shannon discuss this week’s Mw 7.1 Earthquake in Mexico and talk about the rheology of cats. Earthquake Mw 7.1 Event Mw 8.1 Event 1985 Mexico City Mw 8.0 Lake Texcoco Tuned Mass Damper in Action Fun Paper Friday On the Rheology of Cats," Marc-Antoine Fardin, Rheology Bulletin, vol. 83, 2, July 2014, pp. 16–17 and 30. Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

Sep 15, 2017 • 1h
Episode 136 - “Paleozoic Hot Potato” Lynn Soreghan
Lynn Soreghan Paleozoic Loess Greenhouse vs. Icehouse Snowball Earth Fun Paper Friday Is your fitness tracker lying to you? An undergraduate researcher investigated several sleep trackers and compared them to research grade quipment. Comparison article Data extraction guide Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

Sep 8, 2017 • 44min
Episode 135 - "Massive kinetic energy"
This week John and Shannon talk about hurricanes Harvey and Irma, the physics of heat engines, and determining authorship order! Hurricanes Harvey Irma Carnot engine Hurricane hunters Storm chasers (Toomey) Fun Paper Friday Thanks to Taryn for sending in this selection of fun paper author name ordering schemes! Fun ways of deciding authorship order Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

Sep 1, 2017 • 1h 5min
Episode 134 - "Launching balloons out of a UHaul" Eric Bruning
This week Dr. Eric Bruning (@deeplycloudy) joins us to talk about locating lightning, the lightning process, and space based lightning instruments. Don’t miss this week’s electrifying show! Dr. Bruning’s Website VORTEX Program West Texas LMA COLMA Sprite Chasing Lightning (Tim Samaras) NOAA Lightning Safety Website Fun Paper Friday Cipra, Barry. “A prime case of chaos.” What’s Happening in the Mathematical Sciences 4 (1999): 2–17. Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

Aug 25, 2017 • 52min
Episode 133 - "Giant orbiting magnifying glass"
Millions looked up to see this week’s solar eclipse. We talk about the eclipse and how it has played a role in human and scientific history. Algorithms to live by Solid angle 2017 Solar Eclipse (NASA) Shadow from GOES 16 1 hour temperature change Fun Paper Friday Thanks to listener Lukas for sending in this fun paper on martian snow! Spiga, A., Hinson, D. P., Madeleine, J.-B., Navarro, T., Millour, E., Forget, F., & Montmessin, F. (n.d.). Snow precipitation on Mars driven by cloud-induced night-time convection. Nature Geoscience, advance online publication SP - EP . http://doi.org/10.1038/ngeo3008 Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

Aug 18, 2017 • 49min
Episode 132 - "Papa Bear is no longer with us" Scott Dubowsky
This week Scott Dubowsky joins us to talk about plasma and ball lightning. We then dive into the economic theory of intersteller trad with another listener fun paper friday! Scott’s Webpage McCall Research Group Ball Lightning Physics of parallel plate capacitors Fun Paper Friday Thanks to listener Andrew for this week’s Fun Paper Friday! Krugman, Paul. “The theory of interstellar trade.” Economic Inquiry 48.4 (2010): 1119–1123. Golden Fleece Award Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

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