<p>Weather balloons are one of the few ways to really get in-situ atmospheric measurements. John was over in Norman, OK working on a new balloon borne instrument. We talk about what all is involved in a launch!</p>

<ul>
<li><a href="https://youtu.be/1bMu8VVpK50" rel="nofollow">Launch Video</a></li>
</ul>

<h2>Fun Papery Friday</h2>

<ul>
<li>What do shark intestines have to do with the inventor of the AC motor? Find out!</li>
<li><a href="https://german.bio.uci.edu/images/PDF/Leigh%20et%20al.%20(2021)%20PRSB_online.pdf" rel="nofollow">Leigh, Samantha C., et al. &quot;Shark spiral intestines may operate as Tesla valves.&quot; Proceedings of the Royal Society B 288.1955 (2021): 20211359.</a></li>
</ul>

<h2>Contact us:</h2>

<p><strong>Show</strong></p>

<ul>
<li><a href="https://www.patreon.com/dontpanicgeo" rel="nofollow">Support us on Patreon!</a></li>
<li><a href="http://www.dontpanicgeocast.com" rel="nofollow">www.dontpanicgeocast.com</a></li>
<li><a href="https://softwareunderground.org" rel="nofollow">SWUNG Slack</a></li>
<li><a href="https://twitter.com/dontpanicgeo" rel="nofollow">@dontpanicgeo</a></li>
<li><a href="mailto:show@dontpanicgeocast.com" rel="nofollow">show@dontpanicgeocast.com</a></li>
</ul>

<p><strong>John Leeman</strong></p>

<ul>
<li><a href="http://www.johnrleeman.com" rel="nofollow">www.johnrleeman.com</a></li>
<li><a href="https://twitter.com/geo_leeman" rel="nofollow">@geo_leeman</a></li>
</ul>

<p><strong>Shannon Dulin</strong></p>

<ul>
<li><a href="https://twitter.com/ShannonDulin" rel="nofollow">@ShannonDulin</a></li>
</ul>

Episode 308 - "Clay is kind of a trash can" Cements

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.