Don't Panic Geocast

著者： John Leeman and Shannon Dulin
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  • 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.
    © 2024 Don't Panic Geocast
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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.
© 2024 Don't Panic Geocast
博物学
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  • Episode 402 - "Shoes in a dryer on turbo"

    Episode 402 - "Shoes in a dryer on turbo"
    2024/11/15
    Ever wondered how silver journeys from ancient rock formations to the tech in your pocket? In this episode of Don't Panic Geocast, we dig deep into the fascinating world of silver—the metal that's shaped economies, inspired legends, and powers modern technology. From its formation in Earth’s crust to the precise science of extraction and refining, we’ll explore how silver’s unique properties make it indispensable in everything from solar panels to medical tools. Tune in to learn why this shiny element is more valuable—and more complicated—than you might think! Hydrothermal Ore Deposits - Earth Science Reviews (https://www.sciencedirect.com/topics/earth-and-planetary-sciences/hydrothermal-ore-deposit) Geology of Silver - US Geological Survey (https://pubs.usgs.gov/pp/1802/p/pp1802p.pdf) Sedimentary Ore Deposits - Journal of Geology (https://www.journals.uchicago.edu/doi/10.1086/628614) Mining Methods - Open Pit and Underground - Minerals Education Coalition (https://mineralseducationcoalition.org/mining-techniques/) Underground Mining Techniques and Risks - World Coal Association (https://www.worldcoal.org/what-mining) Froth Flotation Process - Journal of Chemical Engineering (https://www.journals.elsevier.com/journal-of-chemical-engineering) The Leaching Process in Silver Extraction - Environmental Chemistry (https://www.environmentalchemistry.com) Merrill-Crowe Process for Silver Recovery - Mining Engineering (https://www.miningeng.com/merrill-crowe-process) Electrowinning Process in Silver Extraction - Metallurgy and Mining Review (https://www.metallurgymining.com) Smelting and Refining of Silver - International Smelting Association (https://www.isa.com/silver-smelting) Electrolytic Refining of Silver - American Journal of Chemistry (https://www.ajchem.com/silver-refining) Conductivity of Silver in Electronics - IEEE Transactions on Electrical Engineering (https://www.ieee.org/electronics-conductivity) Silver in Solar Panels - Solar Energy Journal (https://www.solarenergy.org/silver-panels) Medical Applications of Silver - The Lancet (https://www.thelancet.com/silver-medicine) History of Silver in Currency - Economic History Journal (https://www.ehjournal.com/silver-currency) The Role of Silver in Photography - Journal of Photographic Science (https://www.photographicjournals.com) Economic Significance of Silver - World Silver Survey (https://www.silverinstitute.org/silver-survey) Environmental Impacts of Silver Mining - Environmental Science & Technology (https://www.estjournal.com/silver-mining-impacts) Supply and Demand of Silver - International Silver Council (https://www.silvercouncil.org/supply-demand) Antimicrobial Properties of Silver - Journal of Applied Microbiology Fun Paper Friday Can seeing a bad (dad) joke actually make you funnier? This week’s Fun Paper Friday dives into the surprising effects of both funny and unfunny examples on our ability to create humor. It turns out that even groan-worthy jokes can fuel creativity—though they might make you work harder for the punchline! Shin, Hyelim, et al. "Creative fixation is no laughing matter: The effects of funny and unfunny examples on humor production." The Journal of Creative Behavior 54.2 (2020): 487-494. (https://core.ac.uk/download/pdf/345087091.pdf) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) @dontpanicgeo (https://twitter.com/dontpanicgeo) dontpanicgeocast@gmail.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitter.com/ShannonDulin)
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    45 分
  • Episode 401 - "I fell into a lot of bogs"

    Episode 401 - "I fell into a lot of bogs"
    2024/11/08
    This week, we dive into the fascinating world of coal—its origins, types, and the role it has played in shaping economies, past and present. We discuss coal’s formation in ancient swampy environments, the journey from mining to electricity generation, and the transition we’re witnessing as the world moves toward renewable energy sources. We wrap up with a Fun Paper Friday that challenges the classic "Infinite Monkeys Theorem"—could monkeys really type out Shakespeare if given enough time? How Coal Forms and Coal Types - World Coal Association (https://www.worldcoal.org/coal/what-coal) Energy Density of Coal Types - Hypertextbook (https://hypertextbook.com/facts/2003/JuliyaFisher.shtml) Mining Methods and Processing - National Academies (https://www.nap.edu/read/11977/chapter/5) Coal Transportation - U.S. Energy Information Administration (EIA) (https://www.eia.gov/coal/transportation/) Coal’s Role in the Industrial Revolution - History.com (https://www.history.com/topics/industrial-revolution/coal) Global Coal Power Statistics - Statista (https://www.statista.com/statistics/859266/number-of-coal-power-plants-by-country/) Future of Coal in Energy Transitions - International Energy Agency (IEA) (https://www.iea.org/topics/coal) Fun Paper Friday Can monkeys really type out Shakespeare? This study explores the probability of typing coherent text with a finite number of monkeys and limited time. Spoiler: even with thousands of monkeys, the odds are astronomically low, revealing the true limits of randomness. Woodcock, Stephen, and Jay Falletta. "A numerical evaluation of the Finite Monkeys Theorem." Franklin Open (2024): 100171. (https://www.sciencedirect.com/science/article/pii/S2773186324001014) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) @dontpanicgeo (https://twitter.com/dontpanicgeo) dontpanicgeocast@gmail.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitter.com/ShannonDulin)
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    58 分
  • Episode 400 - "Mushroom Cloud of Salt"

    Episode 400 - "Mushroom Cloud of Salt"
    2024/11/01
    Throughout human history, certain minerals have held immense power, shaping economies, societies, and entire civilizations. In this economic rocks series, John and Shannon discuss how essential minerals like salt, gold, and coal influenced historical events and continue to impact modern geopolitics. This week we start with salt and how it is essential to many aspects of our day to day. Learn More History of Salt in Ancient Civilizations (https://www.historycooperative.org/salt-history-ancient-civilizations/) - Learn how salt became an essential part of trade, diet, and religion in ancient China, Egypt, and Rome​:contentReference[oaicite:0]{index=0}. The Role of Salt in the Roman Empire (https://www.learnancientrome.com/importance-of-salt-in-ancient-rome) - Discover how the Roman Empire used salt as currency and a political tool to control its territories​:contentReference[oaicite:1]{index=1}. The Impact of the Salt Trade in West Africa (https://www.ancient-origins.net/salt-trade-west-africa) - Learn how salt was traded for gold and helped build the Ghana and Mali empires, creating a network of trade routes that shaped the region’s history​:contentReference[oaicite:2]{index=2}. Fun Paper Friday This week's Fun Paper Friday features a study on the leaf-mimicking abilities of Boquila trifoliolata. The vine is capable of changing the shape and size of its leaves to resemble those of neighboring plants, potentially as a form of camouflage against herbivores. But the most surprising part? It can even mimic artificial plastic leaves. This finding challenges existing theories that leaf mimicry is driven solely by chemical signaling or genetic exchange between plants, suggesting instead that Boquila may possess a form of plant vision through specialized light-sensitive cells called “plant ocelli.” This discovery opens new possibilities for understanding plant sensory and adaptive behaviors. White, J., & Yamashita, F. (2022). Boquila trifoliolata mimics leaves of an artificial plastic host plant. Plant Signaling & Behavior, 17(1), e1977530. (https://doi.org/10.1080/15592324.2021.1977530) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) @dontpanicgeo (https://twitter.com/dontpanicgeo) dontpanicgeocast@gmail.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitter.com/ShannonDulin)
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    37 分

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