Don't Panic Geocast

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  

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  

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  

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  

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  

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  

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  

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  

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  

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  

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

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  

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.johnrle

This week Dr. Uri ten Brink joins us to talk about his field experiences as an observational geophysicst and some thoughts about being a scientist. (Sorry, no fun paper this week - we were not able to record it before Shannon’s leave of absense!) Uri’s Homepage Walter Pitman Skua Cuddly Dudley South Pole Traverse Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin

Shannon just had a baby! We take the week off and celebrate with this classic episode of the geocast... Don't Panic, we'll be back next week! 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 Hoover (1935) is next at 726’ high on the border of AZ and NV Tallest dam in the world is Jingping-I dam (2013) in China is 1000’ high Largest reservoir in the US is Lake Mead, which holds 29 million acre-feet of water Glen Canyon dam Lake Powell on the AZ/UT border, and is a close second at 26 million acre-feet capacity. Colorado River WPA Why build dams at all? Water supply Irrigation and flood control Power supply Recreation Hydroelectric Power Hoover dam generates 4.5 bil

  John is installing his weather station and Shannon is still pushing through finals week. On this week’s show we talk about a listener question regarding fulgurites. Can you petrify lightning and study it? Thanks to listener Steve for the show topic and fun paper suggestion! Fulgarites Fulgurite (Wikipedia) Lechatelierite Planar deformation features Lightning induced remanent magnetizations Verrier, V., and P. Rochette. “Estimating peak currents at ground lightning impacts using remanent magnetization.” Geophysical Research Letters 29.18 (2002). Fun Paper Friday This week we scratch the fun paper itch - literally. Can scratching in a mirror trick your brain? Helmchen, Christoph, et al. “Itch Relief by Mirror Scratching. A Psychophysical Study.” PloS one 8.12 (2013): e82756. Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin  

John’s Hackaday Prize Entry New Prince Rupert’s Drop Video We Martians - Esker Questions Episode 92 - Martian Esker Fun Paper Earth Structure Structure of the Earth Pitch Drop Experiment Summary Pitch Drop Webcams Inge Lehmann Episode 4 - we talk about plate tectonics on the core “The Core” Movie Clip Episode 56 – “A lot people would like to think they’ve got a lunar meteorite” Brad Jolliff Fun Paper Friday Mysterious caves and giant animals - this week’s fun paper has all the makings of a good thriller! Get Lost in Mega-Tunnels Dug by South American Megafauna Star Trek Silicon Based Life Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin  

Drones are everywhere, but did you know you can recreate 3D point clouds with images taken from your drone? Episode 73 – “A gigapan from 1906” Open Drone Map Web ODM Example Data Hackaday Web ODM Open SFM Mapillary Missing Maps Pixhawk Flight Controller Cannon S110 Cannon S120 Cannon Hack Development Kit (CHDK) Zanzibar Mapping Initiative Fun Paper Friday Can Batman fly like in Batman Begins? John hasn’t seen the film, but physics comes to the rescue. Marshall, David, et al. “A2_9 Trajectory of a falling Batman.” Physics Special Topics 10.1 (2011). Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin  

Shannon takes one more field trip and John is ready to hit the road again, but we slow down to talk about metamorphic rocks - and probably get in trouble with the geochemists again. Fried Pies Metamorphic Rocks Metamorphic rock Pictures of metamorphic rocks Griggs apparatus Pole figures Example LPO paper Metamorphic facies Fun Paper Friday Listener Darryl send in this fun paper with a glowing review. Science Magazine Article Belkin, Shimshon, et al. “Remote detection of buried landmines using a bacterial sensor.” Nature Biotechnology 35.4 (2017): 308–310. Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin  

John is off teaching a workshop and Shannon is working towards the end of the semester. We take a little time off to talk about academic service - what is it and why do we do it? Being an academic isn’t all fun and games! Feedback SEM time is expensive! BMJ’s Goofy Christmas Papers Academic Service Three horsemen: teaching, research, and service Manuscript Reviewers How Professors Spend Their Time Fun Paper Friday Walk like a chicken? A dinosaur? Find out how chickens doing the dino dance are giving us insight into theropod locomotion! Grossi, Bruno, et al. “Walking like dinosaurs: chickens with artificial tails provide clues about non-avian theropod locomotion.” PloS one 9.2 (2014): e88458. Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin