240 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.

Don't Panic Geocast John Leeman and Shannon Dulin

    • Natural Sciences

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.

    Episode 238 - "Big Long Honkies"

    Episode 238 - "Big Long Honkies"

    What's that in the sky? A bird? A plane? No, it's a scary looking cloud! Find out what it was this week!
    Flammagenitus (with great chart at the bottom) Australia Pyrocumulus Kelvin Helmholtz Instability Lenticular Cloud Wired Article on Morning Glories Nacreous Clouds Noctilucent Clouds Arcus Clouds Mammatus Clouds Fun Paper Friday Hart, Vlastimil, et al. "Dogs are sensitive to small variations of the Earth’s magnetic field." Frontiers in zoology 10.1 (2013): 80. Contact us: Show
    Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo show@dontpanicgeocast.com John Leeman
    www.johnrleeman.com @geo_leeman Shannon Dulin
    @ShannonDulin

    • 57 min
    Episode 237 - "Just archive it" New Years!

    Episode 237 - "Just archive it" New Years!

    This week we go over the last year and discuss our plans for 2020 before diving into a discussion on pupil shapes in various animals. Don't miss it!
    Fun Paper Friday Banks, Martin S., et al. "Why do animal eyes have pupils of different shapes?." Science advances 1.7 (2015): e1500391. Contact us: Show
    Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo show@dontpanicgeocast.com John Leeman
    www.johnrleeman.com @geo_leeman Shannon Dulin
    @ShannonDulin

    • 1 hr 16 min
    Episode 236 - "Crop circles of geology"

    Episode 236 - "Crop circles of geology"

    This week we finish up talking about deserts with some of our favorite features - dunes, ventifacts, and more!
    Sailing Stones Ventifact Dunes Fun Paper Friday How can math and physics "improve" hunting a lion? Pétard, H. "A contribution to the mathematical theory of big game hunting." Amer. Math. Monthly 45 (1938): 446-447. Contact us: Show
    Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo show@dontpanicgeocast.com John Leeman
    www.johnrleeman.com @geo_leeman Shannon Dulin
    @ShannonDulin

    • 56 min
    Episode 235 - "That's how the arches formed"

    Episode 235 - "That's how the arches formed"

    This week we stick to a dry subject - deserts! Learn about how rocks weather in a place where there isn't much.
    Peltier diagram on weathering Desert Varnish Rock Exfoliation Video Fun Paper Friday What if the Earth were replaced with blueberries? Sandberg, Anders. "Blueberry Earth." arXiv preprint arXiv:1807.10553 (2018). Contact us: Show
    Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo show@dontpanicgeocast.com John Leeman
    www.johnrleeman.com @geo_leeman Shannon Dulin
    @ShannonDulin

    • 59 min
    Episode 234 - "That's what they're called"

    Episode 234 - "That's what they're called"

    Deserts - hot and dry right? Wrong! There's so much more to them!
    Fun Paper Friday Synthetic Uranus? Magnetic Fields? Learn more in this week's fun paper. Chau, Ricky, Sebastien Hamel, and William J. Nellis. "Chemical processes in the deep interior of Uranus." Nature communications 2 (2011): 203. Contact us: Show
    Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo show@dontpanicgeocast.com John Leeman
    www.johnrleeman.com @geo_leeman Shannon Dulin
    @ShannonDulin

    • 50 min
    Episode 233 - "I'm out - I took linear algebra" Stereonets

    Episode 233 - "I'm out - I took linear algebra" Stereonets

    This week we talk about the dreaded stereonet and why it's useful and somewhat... odd.
    Great Stereonet Video Series On Teaching Stereonets Visible Geology Fun Paper Friday What's the best way to make a uniform crepe or pancake? Find out with just a bit of math! Boujo, E., and M. Sellier. "Pancake making and surface coating: optimal control of a gravity-driven liquid film." Physical Review Fluids 4.6 (2019): 064802. Contact us: Show
    Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo show@dontpanicgeocast.com John Leeman
    www.johnrleeman.com @geo_leeman Shannon Dulin
    @ShannonDulin

    • 1 hr 4 min

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