John is on the road headed to the SciPy conference and Shannon is done with field camp. Join us to hear the wrap up and talk about how geology was used strategically in the Revolutionary War on this fourth of July weekend episode.

Fun Paper Friday

This week we learn about perchlorate from fireworks and how long it can reside in lakes.

Wilkin, R. T., Fine, D. D., & Burnett, N. G. (2007). Perchlorate Behavior in a Municipal Lake Following Fireworks Displays. Environmental Science & Technology, 41(11), 3966–3971. http://doi.org/10.1021/es0700698

Contact us:

Show - www.dontpanicgeocast.com - @dontpanicgeo - [email protected]

John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin

This week Shannon summarizes her field trip and John talks about rock slides and his coming travel. We also talk about organized patterns of dripping syrup.

Fun Paper Friday

This week we learn about stick patterns formed by viscous fluids falling on a surface. It could be honey on toast or telecommunications cable on the ocean floor. Check out the video as well!

Brun, P. T., Audoly, B., Ribe, N. M., Eaves, T. S., & Lister, J. R. (2015). Liquid Ropes: A Geometrical Model for Thin Viscous Jet Instabilities. Physical Review Letters, 114(17), 174501–5. http://doi.org/10.1103/PhysRevLett.114.174501

Video of different fluid patterns

Contact us:

Show - www.dontpanicgeocast.com - @dontpanicgeo - [email protected]

John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin

Join us this week as we talk about our favorite national parks while Shannon is on the road. Then we’ll talk about kinetic energy of empty and full beer bottles as part of Fun Paper Friday!

Fun Paper Friday

Have you ever thought about how much force a beer bottle can exert when you strike something with it? Bollinger et al. have! Do you think full or empty bottles are more dangerous?

Bolliger, S. A., Ross, S., Oesterhelweg, L., Thali, M. J., & Kneubuehl, B. P. (2009). Are full or empty beer bottles sturdier and does their fracture-threshold suffice to break the human skull? Journal of Forensic and Legal Medicine, 16(3), 138–142. http://doi.org/10.1016/j.jflm.2008.07.013

Contact us:

Show - www.dontpanicgeocast.com - @dontpanicgeo - [email protected]

John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin

This week we catch up with Shannon’s field adventure and John’s poster and pitch competition.

Fun Paper Friday

What’s the best use for an onion? To make artificial muscles of course!

Chen, C.-C., Shih, W.-P., Chang, P.-Z., Lai, H.-M., Chang, S.-Y., Huang, P.-C., & Jeng, H.-A. (2015). Onion artificial muscles. Applied Physics Letters, 106(18), 183702–6. http://doi.org/10.1063/1.4917498

Contact us:

Show - www.dontpanicgeocast.com - @dontpanicgeo - [email protected]

John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin

This week we talk more about your field photos, the movie San Andreas, mining country in Colorado, and chocolate blooming!

Your Photos!

San Andreas

Shannon’s Field Trips

Fun Paper Friday

What causes chocolate to get that white growth? This week we find out that it’s very similar to geological growths and investigated with similar techniques!

Reinke, S. K., Roth, S. V., Santoro, G., Vieira, J., Heinrich, S., & Palzer, S. (2015). Tracking Structural Changes in Lipid-based Multicomponent Food Materials due to Oil Migration by Microfocus Small-Angle X-ray Scattering. ACS Applied Materials & Interfaces, 7(18), 9929–9936. http://doi.org/10.1021/acsami.5b02092

Contact us:

Show - www.dontpanicgeocast.com - @dontpanicgeo - [email protected]

John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin

Fun Paper Friday

This week we learn about pressure. Pressure has to be generated for Penguins to poo outside of thier nest. How much pressure? We know the answer!

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

This week Shannon talks about the cold weather at field camp, we discuss the Jacob’s staff, and methane rain. You’ll want to listen to this fun summer short!

Fun Paper Friday

What could cause dunes on Titan to migrate opposite the surface winds? Turns out the answer is a story about deep convection and storms with methane rain!

Charnay, B., Barth, E., Rafkin, S., Narteau, C., Lebonnois, S., Rodriguez, S., et al. (2015). Methane storms as a driver of Titan’s dune orientation. Nature Geosci, 8(5), 362–366. http://doi.org/10.1038/ngeo2406

Contact us:

Show - www.dontpanicgeocast.com - @dontpanicgeo - [email protected]

John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin

Summer is an ideal time to learn new things and explore new ideas. This week we discuss what we want to learn over the summer and how we are going to accomplish these goals. What’s your summer manifesto? Also we get showered by cosmic rays and lightning as part of #FunPaperFriday.

John’s Summer Manifesto

Develop classroom materials to go with some demonstrations and videos I have collected

Setup more effective task automation to free mind space for work

Submit one manuscript and have another draft ready with all data processing in reproducible notebooks

Shannon’s Summer Manifesto

Working on my first proposal

Getting the first chapter of my dissertation ready for submission

Actually review what I did right and wrong in my classes

Prep for Fall

FunPaperFriday

This week we read a paper about how cosmic rays could give us new insight into how lighting works. Lots of places have been experiencing storms recently with severe weather and flooding. Lighting can do lots of strange things like explode trees and make glass. It has incredible power in each strike.

Schellart, P., Trinh, T. N. G., Buitink, S., Corstanje, A., Enriquez, J. E., Falcke, H., et al. (2015). Probing Atmospheric Electric Fields in Thunderstorms through Radio Emission from Cosmic-Ray-Induced Air Showers. Physical Review Letters, 114(16), 165001–5. http://doi.org/10.1103/PhysRevLett.114.165001

Contact us:

Show - www.dontpanicgeocast.com - @dontpanicgeo - [email protected]

John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin

This week John and Shannon discuss going outside and how important it is to our learning processes. Are we suffering from “nature deficit disorder”? We follow up the discussion with a #FunPaperFriday about playing outside.

Fun Paper Friday

Dyment, Janet E. “Green school grounds as sites for outdoor learning: Barriers and opportunities.” International Research in Geographical & Environmental Education 14.1 (2005): 28–45.

Contact us:

Show - www.dontpanicgeocast.com - @dontpanicgeo - [email protected]

John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin

This week we are joined by a guest co-host in Shannon’s absence. Matt Herman talks to us about the recent earthquake in Nepal. We had to record in an empty classroom, so sorry about the audio quality. We’ll be back to our normal location and setup next week!

Fun Paper Friday

This week we read about a mysterious mist above your coffee and tea. This is a great reason to film your coffee cup!

Umeki, T., Ohata, M., Nakanishi, H., & Ichikawa, M. (2015, January 2). Dynamics of microdroplets over the surface of hot water. arXiv.org. http://doi.org/10.1038/srep08046

Contact us:

Show - www.dontpanicgeocast.com - @dontpanicgeo - [email protected]

John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin