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xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600" data-related-device="desktopPortrait" class="n2-ow n2-ss-preserve-size n2-ss-preserve-size--slider n2-ss-slide-limiter"></svg><div data-first="1" data-slide-duration="0" data-id="17" data-slide-public-id="1" data-title="Magic Mud Paper" class="n2-ss-slide n2-ow n2-ss-slide-17"><div role="note" class="n2-ss-slide--focus" tabindex="-1">Magic Mud Paper</div><div class="n2-ss-layers-container n2-ss-slide-limiter n2-ow"><div class="n2-ss-layer n2-ow n-uc-Z76Zne4tV0L3" data-sstype="slide" data-pm="default"><div class="n2-ss-layer n2-ow n-uc-187d8f1049b03" data-pm="default" data-sstype="content" data-hasbackground="0"><div class="n2-ss-section-main-content n2-ss-layer-with-background n2-ss-layer-content n2-ow n-uc-187d8f1049b03-inner"><div class="n2-ss-layer n2-ow n-uc-kYioCZs0uzPW" data-pm="normal" data-sstype="layer"><div id="n2-ss-4item1" class="n2-font-97c5d40cba2e0ef1ebd01113d9e0ef94-hover n2-style-bfc342b097cacaafd14344be8f7e1129-heading n2-ss-item-content n2-ss-text n2-ow" style="display:block;">What makes baseball mud 'magical'?</div></div><div class="n2-ss-layer n2-ow n-uc-o77nzdspr8Zd n2-ss-layer--auto" data-pm="normal" data-sstype="layer"><div id="n2-ss-4item2" class="n2-font-a2cd2958fbf69fc7eb2d23f6c9702c73-hover n2-style-79b31fcecde3a0c80c7aa3055d0120ac-heading n2-ss-item-content n2-ss-text n2-ow" style="display:inline-block;">Read about it below:</div></div><div class="n2-ss-layer n2-ow n2-ss-layer--block n2-ss-has-self-align n-uc-176beeb088202" data-pm="normal" data-sstype="row"><div class="n2-ss-layer-row n2-ss-layer-with-background n-uc-176beeb088202-inner"><div class="n2-ss-layer-row-inner "><div class="n2-ss-layer n2-ow n-uc-1fbb8b8adad85" data-pm="default" data-sstype="col"><div class="n2-ss-layer-col n2-ss-layer-with-background n2-ss-layer-content n-uc-1fbb8b8adad85-inner"><div class="n2-ss-layer n2-ow n-uc-tIGNamtRr8aM n2-ss-layer--auto" data-pm="normal" data-sstype="layer"><div class="n2-ss-button-container n2-ss-item-content n2-ow n2-font-9796c3cc96ae1a070e0be72b20bc7988-link n2-ss-button-container--non-full-width"><a class="n2-style-f553938f14c4fe59ee3d172f08d80102-heading n2-ow " target="_blank" href="https://www.nytimes.com/2024/11/04/science/baseball-mud-mlb.html"><div><div>New York Times</div></div></a></div></div></div></div><div class="n2-ss-layer n2-ow n-uc-109472b97adee" data-pm="default" data-sstype="col"><div class="n2-ss-layer-col n2-ss-layer-with-background n2-ss-layer-content n-uc-109472b97adee-inner"><div class="n2-ss-layer n2-ow n-uc-11123246f1812 n2-ss-layer--auto" data-pm="normal" data-sstype="layer"><div class="n2-ss-button-container n2-ss-item-content n2-ow n2-font-9796c3cc96ae1a070e0be72b20bc7988-link n2-ss-button-container--non-full-width"><a class="n2-style-f553938f14c4fe59ee3d172f08d80102-heading n2-ow " target="_blank" href="https://www.popsci.com/science/baseball-magic-mud/"><div><div>Popular Science</div></div></a></div></div></div></div><div class="n2-ss-layer n2-ow n-uc-1826d0bfb29e9" data-pm="default" data-sstype="col"><div class="n2-ss-layer-col n2-ss-layer-with-background n2-ss-layer-content n-uc-1826d0bfb29e9-inner"><div class="n2-ss-layer n2-ow n-uc-19447298c2976 n2-ss-layer--auto" data-pm="normal" data-sstype="layer"><div class="n2-ss-button-container n2-ss-item-content n2-ow n2-font-9796c3cc96ae1a070e0be72b20bc7988-link n2-ss-button-container--non-full-width"><a class="n2-style-f553938f14c4fe59ee3d172f08d80102-heading n2-ow " target="_blank" href="https://www.nbcnews.com/science/science-news/why-baseball-mud-rubbed-on-balls-works-study-rcna178321#"><div><div>NBC News</div></div></a></div></div></div></div><div class="n2-ss-layer n2-ow n-uc-1ac9920b09574" data-pm="default" data-sstype="col"><div class="n2-ss-layer-col n2-ss-layer-with-background n2-ss-layer-content n-uc-1ac9920b09574-inner"><div class="n2-ss-layer n2-ow n-uc-1392905789a94 n2-ss-layer--auto" data-pm="normal" data-sstype="layer"><div class="n2-ss-button-container n2-ss-item-content n2-ow n2-font-9796c3cc96ae1a070e0be72b20bc7988-link n2-ss-button-container--non-full-width"><a class="n2-style-f553938f14c4fe59ee3d172f08d80102-heading n2-ow " target="_blank" href="https://www-pnas-org.proxy.library.upenn.edu/doi/10.1073/pnas.2413514121"><div><div>Our article in PNAS</div></div></a></div></div></div></div></div></div></div></div></div></div></div><img loading="lazy" class="n2-ss-slide-thumbnail skip-lazy" data-skip-lazy="1" src="https://arratia.seas.upenn.edu/wp-content/uploads/slider/cache/4c5878b558d932143f5a97541f968e80/f1.jpg" alt="Magic Mud Paper"></div><div data-slide-duration="0" data-id="20" data-slide-public-id="2" data-title="Aerosol Paper" class="n2-ss-slide n2-ow n2-ss-slide-20"><div role="note" class="n2-ss-slide--focus" tabindex="-1">Aerosol Paper</div><div class="n2-ss-layers-container n2-ss-slide-limiter n2-ow"><div class="n2-ss-layer n2-ow n-uc-pSVBpuZN8cJJ" data-sstype="slide" data-pm="default"><div class="n2-ss-layer n2-ow n-uc-BUmsYUPWhlCK" data-pm="default" data-sstype="content" data-hasbackground="0"><div class="n2-ss-section-main-content n2-ss-layer-with-background n2-ss-layer-content n2-ow n-uc-BUmsYUPWhlCK-inner"><div class="n2-ss-layer n2-ow n-uc-DEKcaI8mwgHC n2-ss-layer--auto" data-pm="normal" data-sstype="layer"><div id="n2-ss-4item7" class="n2-font-64fc493036dcfe6677c0643e8014763d-hover n2-style-13f05a3c39e903a6b31586f5b504d64b-heading n2-ss-item-content n2-ss-text n2-ow" style="display:inline-block;white-space:nowrap;">Penn Today</div></div><div class="n2-ss-layer n2-ow n-uc-9bdXZyRFPrlC" data-pm="normal" data-sstype="layer"><div id="n2-ss-4item8" class="n2-font-97c5d40cba2e0ef1ebd01113d9e0ef94-hover n2-style-bfc342b097cacaafd14344be8f7e1129-heading n2-ss-item-content n2-ss-text n2-ow" style="display:block;">Learn about our efforts during the COVID-19 pandemic</div></div><div class="n2-ss-layer n2-ow n-uc-f8fEXQPnwTJ8 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data-pm="default"><div class="n2-ss-layer n2-ow n-uc-1f4f8ad18c1a0" data-pm="default" data-sstype="content" data-hasbackground="0"><div class="n2-ss-section-main-content n2-ss-layer-with-background n2-ss-layer-content n2-ow n-uc-1f4f8ad18c1a0-inner"><div class="n2-ss-layer n2-ow n-uc-12b4e7aa82151 n2-ss-layer--auto" data-pm="normal" data-sstype="layer"><div id="n2-ss-4item10" class="n2-font-37213fe73f82b18706d4317a894623bc-hover n2-style-13f05a3c39e903a6b31586f5b504d64b-heading n2-ss-item-content n2-ss-text n2-ow" style="display:inline-block;white-space:nowrap;">Gallery of Fluid Motion</div></div><div class="n2-ss-layer n2-ow n-uc-1210ffc1968d2" data-pm="normal" data-sstype="layer"><div id="n2-ss-4item11" class="n2-font-b41a247b654d8180c2de96c9b0056aa2-hover n2-style-bcf3846d474515db2d97f2475d63219a-heading n2-ss-item-content n2-ss-text n2-ow" style="display:block;">Mixing in Time-Periodic Flows with Bacteria</div></div><div class="n2-ss-layer n2-ow n-uc-184410a8e0695 n2-ss-layer--auto" data-pm="normal" data-sstype="layer"><div class="n2-ss-button-container n2-ss-item-content n2-ow n2-font-eab51c91a105da89340da7933c600fd4-link n2-ss-nowrap n2-ss-button-container--non-full-width"><a class="n2-style-5f23d634b8593098f9a9a9a790f5b3dd-heading n2-ow " href="https://www.eurekalert.org/news-releases/935758"><div><div>Read more</div></div></a></div></div></div></div></div></div><img loading="lazy" class="n2-ss-slide-thumbnail skip-lazy" data-skip-lazy="1" src="https://arratia.seas.upenn.edu/wp-content/uploads/slider/cache/1ee07f130b3ed2500f0bef78c5ba84bc/f2.jpg" alt="Ran Mixing"></div> </div> </div> </div> </div> <div class="n2-ss-slider-controls n2-ss-slider-controls-absolute-left-center"><div style="--widget-offset:5px;" class="n2-ss-widget nextend-arrow n2-ow-all nextend-arrow-previous nextend-arrow-animated-fade" data-hide-mobileportrait="1" id="n2-ss-4-arrow-previous" role="button" aria-label="previous arrow" tabindex="0"><img width="32" height="32" 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Rubbing Mud</a> (public press - <a href="https://www.nytimes.com/2024/11/04/science/baseball-mud-mlb.html">NYT</a>, <a href="https://www.popsci.com/science/baseball-magic-mud/">Popular Science</a>, <a href="https://www.nbcnews.com/science/science-news/why-baseball-mud-rubbed-on-balls-works-study-rcna178321">NBC News</a>, <a href="https://www.youtube.com/watch?v=dNvRzqS1rjU&ab_channel=NationalScienceFoundationNews">NSF News</a>)</span></li> <li><span style="font-size: 14pt; font-family: helvetica, arial, sans-serif;">September 20, 2023 - Congratulations to Bryan Torres Maldonado on a successful thesis defense!</span></li> <li><span style="font-size: 14pt; font-family: helvetica, arial, sans-serif;">July 12, 2023 - Congratulations to Ranjiangshang Ran on a successful thesis defense!</span></li> <li><span style="font-size: 14pt; font-family: helvetica, arial, sans-serif;">April 12, 2023 - Congrats to Julia Radzio for receiving a Fall 2022 MEAM Outstanding Teaching Assistant Award!</span></li> <li><span style="font-size: 14pt; font-family: helvetica, arial, sans-serif;">January 30, 2023 - <a href="https://blog.seas.upenn.edu/kirigami-structures-pull-water-from-the-air/">Kirigami Structures Pull Water from the Air</a></span></li> <li><span style="font-size: 14pt; font-family: helvetica, arial, sans-serif;">November 21, 2022 - <a href="https://doi-org.proxy.library.upenn.edu/10.1103/PhysRevFluids.7.110515">Review, Life in complex fluids: Swimming in polymers</a></span></li> <li><span style="font-size: 14pt; font-family: helvetica, arial, sans-serif;">October 24, 2022 - <a href="https://penntoday.upenn.edu/news/physics-disaster-how-mudslides-move">Physics of disaster: How mudslides move</a> - collaboration between Dr. Arratia and Dr. Jerolmack (Read the paper <a href="https://www.pnas.org/doi/10.1073/pnas.2209109119?cookieSet=1">here</a>)</span></li> <li><span style="font-size: 14pt; font-family: helvetica, arial, sans-serif;">October 19, 2022 - Congratulations to Paulo Arratia for being elected as the 2022 APS DFD Fellow for "For creative and insightful experimental discoveries in the fields of complex and biological fluid mechanics."</span></li> <li><span style="font-size: 14pt; font-family: helvetica, arial, sans-serif;">August 16, 2022 - <a href="https://publishing.aip.org/publications/latest-content/do-wind-instruments-disperse-covid-aerosol-droplets/">Do Wind Instruments Disperse COVID Aerosol Droplets? </a></span></li> <li><span style="font-size: 14pt; font-family: helvetica, arial, sans-serif;">August 5, 2022 - Good luck to Quentin Brosseau at his new position at Ancera!</span></li> <li><span style="font-size: 14pt; font-family: helvetica, arial, sans-serif;">April 11, 2022 - Congratulations to Larry Galloway on a successful defense!</span></li> <li><span style="font-size: 14pt; font-family: helvetica, arial, sans-serif;">March 17, 2022 - <a href="https://penntoday.upenn.edu/news/decoding-materials-memory">Read about our recent Nature Physics paper: Decoding a material’s ‘memory’</a></span></li> <li><span style="font-size: 14pt; font-family: helvetica, arial, sans-serif;">November 22, 2021 - <a href="https://www.eurekalert.org/news-releases/935758">Our poster was a Gallery of Fluid Motion winner!</a> </span></li> </ul> </div></div></div></div></div> </div> </div> </div> </div> </div> <footer id="colophon" class="site-footer" role="contentinfo"> <div id="footer-widgets" class="full-container"> <aside id="black-studio-tinymce-2" class="widget widget_black_studio_tinymce"><div class="textwidget"><p style="text-align: center;">© <a href="https://www.me.upenn.edu/">Mechanical Engineering and Applied Mechanics</a>, <a href="https://www.upenn.edu/">University of Pennsylvania</a></p> <p style="text-align: center;">Last Updated: 2024/11/11 by Julia Radzio</p> </div></aside> </div> <div id="theme-attribution">A <a href="https://siteorigin.com">SiteOrigin</a> Theme</div> </footer> </div> <a href="#" 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