A water drop placed on a hot surface can hover above it on a layer of vapor, in what is known as the Leidenfrost state. Researchers describe a variant in which the drop retains contact with the surface, becomes ellipsoidal, and rotates. In PNAS: ow.ly/G0Ps50PvZFa

Latest from #harrislab now published Physical Review Fluids as an Editors' Suggestion! The drag on a sphere can be 3-4 times higher when straddling an air-water interface than when fully immersed. Work led by postdoc Robert Hunt. journals.aps.org/prfluids/abstr…

Latest #harrislab Brown Engineering work now out Journal of Fluid Mechanics! #openaccess doi.org/10.1017/jfm.20… We study irreversibility of non-Brownian suspensions in high confinement using a new single-camera 3D particle tracking technique and numerical simulation.

We are all set for the #APSDFD2023! Check out our exciting talks on #bubbles, #drops, and some (brain juice) #cerebrospinal flows. Here we come #WashingtonDC. Madeline Federle Mithun Ravisankar Brown Engineering

Our entry for the Gallery of Fluid Motion #APSDFD2023 is online now: youtu.be/qWSujJhV2CY?si… Madeline Federle Mithun Ravisankar Brown Engineering

Activity of Prof. López-Aguilar at #APSDFD2023 having a nice chat with Prof. Roberto Zenit Zenit Research Lab Departamento de Ingeniería Química UNAM

It’s always fun to talk about bubbles… APS Division of Fluid Dynamics (sober bubbles this time)

Wonderful talk by Mithun Ravisankar on the #bubble induced #turbulence in #viscoelastic fluids at low Reynolds numbers APS Division of Fluid Dynamics Brown Engineering

The #harrislab Brown Engineering is actively recruiting new PhD students for experimental and modeling work on topics in interfacial phenomena.💧🫧🌊 Apply by 12/31 (Fluids & Thermal Sciences): graduateprograms.brown.edu/graduate-progr… Please reach out with interest or questions! RTs appreciated.

It's an immense pleasure to make an impact (quite literally) by teaching this amazing course. More about this on Physics Today - doi.org/10.1063/pt.owv… Very excited to see what my students are cooking for the final exhibit. Join us on May 8th at Brown Engineering

Check out Physics Today's article highlighting Zenit Research Lab's ENGN 0350/1350 Art Fluid Engineering course.👓pubs.aip.org/physicstoday/a…

Jay Tang and I are hosting the next installment of New England Complex Fluids workshop Brown University Friday 6/21. Please consider attending and presenting a soundbite! More info: complexfluids.org/necf/index.php Registration in advance is required (free).

We are all set for the #APSDFD2024! Check out our exciting talks on #bubbles, #drops, #turbulence and some (brain juice) #cerebrospinal flows. Madeline Federle Mithun Ravisankar Brown Engineering

We know that cuts to federal science agencies are creating hardships for our members. That’s why we’re offering no-cost membership renewal for current members impacted. It’s just one of our efforts to support the #physics community. Learn how you can get involved:

This week, Madeline Federle and I got to test our homogeneous isotropic turbulence chamber in microgravity at NASA's Glenn Research Center! During the drop, the experiment experiences 2.2 seconds of microgravity, allowing us to study multiphase flows in microgravity. Stay tuned for more🫧 Brown Engineering

I am very happy to share that our paper on ‘Gas bubble dynamics’ is finally published in Reviews of Modern Physics American Physical Society. It was a great pleasure to write it with my friend and long-time collaborator Dominique Legendre. Happy bubble-reading! doi.org/10.1103/RevMod…

Just out in PNAS PNASNews: The physics behind squash’s most satisfying shot—the nick. When hit just right, the ball rolls out with no bounce, "no mercy". A beautiful blend of precision and mechanics. The work was led by Mithun Ravisankar Brown Engineering pnas.org/doi/10.1073/pn…

Using science to explain the everyday world, Brown researchers from Professor Roberto Zenit's lab used the physics of a special unreturnable shot in squash to further the science behind shock-dampening technologies of mechanical systems. brown.edu/news/2025-06-1…

Huge congrats to the newest PhD from our lab, Dr. Mithun Ravisankar, on defending his dissertation Brown Engineering: “Bubbly flows in non-Newtonian fluids and viscous Newtonian fluids.” He’s now a master of all things bubbly and sticky. Next stop: Postdoc at Universitetet i Oslo! 🎉 Proud of you!

Just out in Physical Review Letters! What floats up and breaks scaling laws on the way?🫧Bubble-induced turbulence gets a viscoelastic twist by Mithun Ravisankar Brown Engineering Check this out: doi.org/10.1103/q7xk-1…