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PODCAST

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.

science natural sciences

All Episodes

40:44

Episode 103 - "Itsy Bitsy Cracks"

Don"t Panic Geocast ·

2017/01/13

Listener Graeme asked us why rocks are hard. We explore the simple and hard explanations and then tackle the science of the perfect Martini in this week’s show! Why are Rocks Hard Whinstone Mohs Scale A.A. Griffith Griffith’s Criterion de Havilland Comet No Highway (Nevil Shute) Rocks Rock Harder (YouTube) Fun Paper Friday Trevithick, C. C., et al. “Shaken, not stirred: bioanalytical study of the antioxidant activities of martinis.” BMJ 319.7225 (1999): 1600–1602. Contact us: Show -

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51:02

Episode 102 - "Hey Yo Shan" Academia

Don"t Panic Geocast ·

2017/01/06

This week we talk about academia. How does it work? The career track is long and has many twists and turns. There are also a lot of jobs many people never think about. And what is this elusive colloquium we speak of? Fun Paper Friday Do parachutes really work? How do we know without double blind, randomized, placebo controlled, crossover trials? (Thanks for Nick H. for this fun paper!) Smith, Gordon CS, and Jill P. Pell. “Parachute use to prevent death and major trauma related to gravitational

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40:14

Episode 101 - "Cure your hangover with science"

Don"t Panic Geocast ·

2016/12/31

John and Shannon ring in the new year talking about native science and Enchanted Rock State Park. Why are the rocks enchanted and what can we learn from the native stories? Enchanted Rock State Park Enchanted Rock State Park Batholith Pluton Granite Dome Video of exfoliation in action Fun Paper Friday What can lake deposits tell us about historical storms? Were the gods protecting Japan from attack with typhoons? Find out this this week’s fun paper! Earth Magazine Summary Woodruff, J. D., et

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43:47

Episode 100 - "Mineralogists are Yelling" EBSD

Don"t Panic Geocast ·

2016/12/23

John made it back from San Francisco and Shannon is getting her new laptop setup. This week we took a break to talk about electron backscatter in scanning electron microscopes and think about what can modify the size of animals. EBSD Measurements Electron backscatter diffraction Kikuchi Bands Bragg’s Law LPO Paper Optical Interference Figures Fun Paper Friday What can change the size of an animal? This week we find out with a listener submitted Fun Paper Friday! Thank you to listener Steve Bryant

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1:10:05

Episode 99 - "Happy Funhundredth!"

Don"t Panic Geocast ·

2016/12/16

It’s our 100th episode! Join us as we revisit some of our favorite Fun Paper Friday segments. Are you musically inclined? We are looking for new show music! Send us your audio, ideas, and suggestions for royalty free music! Fun Paper Revisits Episode 19 – “The whole office is batteries” Meyer-Rochow, V. B., & Gal, J. (2003). Pressures produced when penguins pooh?calculations on avian defaecation. Polar Biology, 27(1), 56–58. http://doi.org/10.1007/s00300–003–0563–3 Episode 22 – “It was like two

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1:04:25

Episode 98 - "You get a can of electron beam" SEM

Don"t Panic Geocast ·

2016/12/09

John and Shannon wrap up the semester by taking a break to talk about scanning electron microscopes and the health benefits of beer. Scanning Electron Microscopes Scanning Electron Microscope Electron gun Electromagnetic Lenses Auger Effect Secondary Electron Emission Backscattered Electron Emission Bremsstrahlung X-rays Scanning Electron Microscopy - Cathodoluminescence Transmission Electron Microscope Shannon’s Locust Wing DIY SEM SEM animation of a record Embedded.fm Interview with Ben

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1:17:48

Episode 97 - "Ridiculous Ear Tufts" Elecia White

Don"t Panic Geocast ·

2016/12/02

This week Elecia White from Embedded.fm joins us to talk about embedded electronics, beach sand pirates, and bear bells. Also John has microphone issues, sorry about that! Embedded.fm Logical Elegance Elecia on Twitter (@logicalelegance) Embedded.fm on Twitter (@embeddedfm) Arduino mbed Sparkfun Electronics ESP8266 Thing Shot Spotter Introduction to California’s Beaches and Coast Longshore Drift Dolos Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo -

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52:52

Episode 96 - "Party with Engineers" Learning New Skills

Don"t Panic Geocast ·

2016/11/25

Shannon has been learning how to play engineer. This week we talk about getting your hands dirty and how we learn new skills. Learning New Skills Debugging (Book) YouTube Lynda.com Libraries Podcasts Embedded.fm Fun Paper Friday Tuk, Mirjam A., Debra Trampe, and Luk Warlop. “Inhibitory spillover increased urination urgency facilitates impulse control in unrelated domains.” Psychological Science 22.5 (2011): 627–633. Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo -

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1:10:18

Episode 95 - "At least there were functions" Greg Wilson

Don"t Panic Geocast ·

2016/11/18

John and Shannon are back to doing science instead of troubleshooting and take a break to talk with Dr. Greg Wilson about Software Carpentry, how to teach effectively, and a smattering of related topics about the academic world. Greg Wilson Software Carpentry Data Carpentry Library Carpentry It Will Never Work in Theory The Architecture of Open Source Applications Request a Software Carpentry Workshop Small Teaching: Everyday Lessons from the Science of Learning (Lang) How Learning Works: Seven

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54:06

Episode 94 - "It sounds better than piece of string"

Don"t Panic Geocast ·

2016/11/15

Shannon has been in the field sampling the great unconformity and John has been traveling to prepare for an exciting change. Join us this week to learn about discontinuities of all kinds! Unconformities Sedimentary Rocks Siccar Point Unconformity Geologic Time Lab Activity Grand Canyon Geology The Great Unconformity Fun Paper Friday Peters, Shanan E., and Robert R. Gaines. “Formation of the Great Unconformity as a trigger for the Cambrian explosion.” Nature 484.7394 (2012): 363–366. Contact

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50:09

Episode 93 - "It has a capital letter" Air Pressure

Don"t Panic Geocast ·

2016/11/04

This week we address a listener question about air pressure. What is it? Is the Earth’s atmosphere different thicknesses at different places? Find out, along with the answer to the age old question: “Where are all the teaspoons?” Air Pressure International Standard Atmosphere Barometric Pressure Pascal (unit) Scale Height Hydrostatic Equation Upper Air Maps Make a barometer Density Altitude Fun Paper Lim, Megan SC, Margaret E. Hellard, and Campbell K. Aitken. “The case of the disappearing

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1:06:30

Episode 92 - "I fell into your trap" Ben Crosby

Don"t Panic Geocast ·

2016/10/28

John and Shannon are still fighting lab equipment, but take a break to talk to a guest suggested by listener Angie about how climate change is forming our landscape. Ben Crosby Dr. Crosby’s Website Permafrost Thermokarst Gooseff, Michael N., et al. “Effects of hillslope thermokarst in northern Alaska.” Eos, Transactions American Geophysical Union 90.4 (2009): 29–30. Jorgenson, M. Torre, Yuri L. Shur, and Erik R. Pullman. “Abrupt increase in permafrost degradation in Arctic Alaska.” Geophysical

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53:16

Episode 91 – “I've seen buoys before” Hurricanes Part 2

Don"t Panic Geocast ·

2016/10/21

John and Shannon are fighting lab equipment, but they take a break to continue their discussion of hurricanes. This week we talk about how we measure hurricanes - from airplanes to buoys. Hurricane Hunters Reporter Flys with the Hunters (YouTube) 403rd Wing Homepage NOAA Hurricane Hunters Homepage AT–6 Texan WC–130 WP–3D Gulfstream IV Storm Chasers Book (David Toomey) Instruments Dropsonde Driftsonde National Data Buoy Center Weather Buoy John’s Article on Tsunami Buoy Data Weather Ship

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53:55

Episode 90 - "It's like a big straw" Hurricanes Part 1

Don"t Panic Geocast ·

2016/10/14

We’ve had a fairly active hurricane season, so we thought that maybe now would be a good time to discuss what exactly a hurricane is, especially for those of us non-coastal dwellers who maybe don’t think about them as much as say…tornadoes! National Hurricane Center Hurricane Structure Storm Surge Hurricane FAQ Typhoon Tip Hurricane Patricia NHC Hurricane Patricia Report Hurricane Wilma 1900 Galveston Hurricane Hurricane Katrina Hurricane Andrew Hurricane Sandy Saffir-Simpson Scale Fun Paper

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47:04

Episode 89 - "I had lunch with some ghostbusters"...

Don"t Panic Geocast ·

2016/10/07

John visits Maker Faire and Shannon found another paper about video games to answer questions we raised last week. Maker Faire Glank Ono Smartphone 3D printer Glowforge Referral Link! Beagle Bone OSHPark See Me CNC Aleph Objects Chipsetter Shaper Origin Wazer Tormach Fun Paper Friday Greitemeyer, Tobias, and Dirk O. Mügge. “Video games do affect social outcomes a meta-analytic review of the effects of violent and prosocial video game play.” Personality and Social Psychology Bulletin

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37:24

Episode 88 - "Helene is made of mayo" GSA 2016

Don"t Panic Geocast ·

2016/09/30

Shannon has been at the Geological Society of America meeting in Denver and John is about to head off to Maker Faire. Join us to hear about the latest in geology and a fun paper we almost chickened out on. GSA Meeting 2016 Charon Helene Bingham Material Fun Paper Friday Who knew there was so much work on human-chicken relationships? Apparently listener Steve did! Fothergill, B.T. and Flick, C. 2015. The ethics of human-chicken relationships in video games: the origins of the digital chicken

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49:32

Episode 87 - "Dr. Lagomorph" Happy Birthday NPS

Don"t Panic Geocast ·

2016/09/23

Feedback Babylon 5 Effects John was on Embedded.fm this week! Big year for NPS Lots of press about NPS turning 100 this year Every Kid in a Park NPS Timeline Yellowstone Antiquities Act Organic Act Shannon’s top picks Crater Lake National Park Glacier National Park John’s top picks Arches National Park Canyon Lands National Park Fun Paper Friday All of your selfies can help the national parks understand visitor patterns and determine what attractions are the most popular at each site.

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1:03:15

Episode 86 - "There's all kinds of terror" Laura Wallace

Don"t Panic Geocast ·

2016/09/16

This week we take it slow. Laura Wallace joins us to talk plate tectonics and slow slip in New Zealand. Also a project that gets the best acronym of the year award. Laura Wallace Laura’s UTIG Page phys.org article on HOBBITS EOS (from AGU) Article HOBITSS Science Paper “Slow Earthquakes are a Thing (Smithsonian Magazine) Fun Paper Friday The David is one of the most famous sculptures in the world, but will rock failure ultimately bring him down? What’s the Achilles’ heel for David? David’s

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39:25

Episode 85 - "Please buy tickets to Oklahoma today"

Don"t Panic Geocast ·

2016/09/10

Earthquake! Last week Oklahoma was rocked by the largest recorded earthquake recorded in the state’s history. We talk with Dr. Katie Keranen who is in the field deploying seismic instruments to study the event. Sorry for the audio quality this week - we were recoding the interview as a phone call since Dr. Keranen was in the field and there are occasional dropouts. Ground Motion Videos Particle motion video in Tulsa Particle motion video in Arkansas IRIS Ground Motion Video Other Links Did you

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27:59

Episode 84 - "It might be too soon" (The Limerock...

Don"t Panic Geocast ·

2016/09/02

A few weeks ago we finished collecting all of your limericks in our contest to win some sweet geo-swag from Chris at Taylor Custom. This week we are joined by special guest Katie Shearer to announce the winners and read more of our favorites! If you didn’t win, don’t fret, we are working with Chris on a top secret project and will be running another contest soon! Fun Paper Friday Sneezes and coughs turn out to be a treasure trove of fluid dynamics effects and import for disease spread. In this

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