Don't Panic Geocast
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.
- Update frequency
- every 10 days
- Average duration
- 51 minutes
- Episodes
- 421
- Years Active
- 2015 - 2025
Episode 359 - "Standing Around Staring"
We've been off air for a bit due to a giant move! Find out more!
Fun Paper Friday
- Have we been leaving more that footprints on Mt. Everest? What about other planets?
- Humans are leaving behind a 'f…
Episode 358 - "Put a pin in it" Surveillance Balloons
There's been a lot of buzz about the PRC surveillance balloon, so we unpack the history of using balloons for science and for military.
Fun Paper Friday
- Thanks to listener Xavier for this disturbi…
Episode 357 - "Looks like the iron throne"
Giant crystal in caves sounds more like a plot twist than a geological phenomena, but this week we learn how the Naica Mine crystals were formed!
Fun Paper Friday
Episode 356 - "They'll find me laying in a graben"
This week we talk about basin and range topography, horsts, grabens, and more! Also how similar is your mouth bacteria to someone you kissed?
Fun Pape…
Episode 355 - "Best First Week of Class Ever"
This week John and Shannon discuss some mysterious rocks whose extraterrestrial origin is still debated and if growing a beard is a good defense against a punch.
Episode 354 - "That's Gneiss"
New York City is a sprawling metropolis, but the design of the city is heavily influenced by the geology of this tortured patch of rock. This week we talk about it and what rocks you'll see as you st…
Episode 353 - "We Didn't Do So Well"
Shannon's Resolutions
- Streamline Digital Workflows
- Read a lot! (and use goodreads)
- Take a sabbatical
John's Resolutions
- Read 24 Books
- Cut carbs and meal prep lunch
- Take quarterly vacations
- Syst…
Episode 352 - "Why are things so heavy in the future?"
Shannon went to a workshop on determining the provenance of sediments using heavy elements, optical microscopes, and Raman spectra!
Fun Paper Friday
- Do dogs lie when they ma…
Episode 351 - "Our Favorite Things"
2022 flew past, so this week John and Shannon review their favorite things, experiences, classes, and more of 2022. Everything from bee keeping to kitchen appliances to multimeters to books!
John's …
Episode 350 - "Borehole to Hell"
How deep have we actually drilled into the Earth? Turns out, not very far, just 12,262 metres (40,230 ft) or about 0.3% of the way to the center of the Earth. We talk about the challenges of this fea…
Episode 349 - "That Sounds Heavy" Tech Replacement
It's hard to decide when it is finally time to let go. When do you recycle that old tech and replace it? It may still work, but is it the thing holding you back, or do you just want something new and…
Episode 348 - "Hot Juicy Magma"
- Forms in fractures of rocks already in place, so it an INTRUSIVE feature
- Form at right angles to the direction of extension in the area - nature’s frac jobs
- Can be super thin or super thick, but gen…
Episode 347 - "Tiny Crusty Rocks"
It's all about meteorites, space rocks made from proto planets, metals, and more!
Fun Paper Friday
Episode 346 - "They Haven't Broke"
This week we recap Shannon's travel to GSA and John's travel to Europe before diving into what shaped knobs are best for different applications in an award winning Fun Paper Friday!
Fun Paper Friday
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Episode 345 - "3rd Hoodoo on the Left"
This week its all about the badlands and how they got to be so bad!
Fun Paper Friday
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Episode 344 - "Pre-Cognated"
Learning new things is hard - and we're talking about how we are trying to do it!
Fun Paper Friday
- How is sleep tied to creativity?
- Weinberger, Eva, et al. "Having a creative day: Understanding en…
Episode 343 - "Div, Grad, and Curl"
Vector calculus is everywhere, but sadly good explanations are not. This week we talk about the div, grad, and curl operations.
…
Episode 342 - "Kiss Me"
How do we remember all of the sequences, facts, and processes in our fields? Mnemonic devices! This week we chat about a few of our favorites.
Fun Paper Friday
- Is having a hypothesis a bad thing?
- …
Episode 341 - "Scrambler Outside the Physics Department"
This week we discuss more about the three apparent forces we feel on a rotating ball:
Fun Paper Friday
- How can you get rid of a bad case of the hicc…
Episode 340 - "Coriolis Thing"
The Coriolis force is a ficticious force that makes winds flow parallel to isobars in the atmosphere - this week we talk about it and how it fights the pressure gradient force to make the geostrophic…