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Vortices, Vision and Viscosity: fluids in motion!

This show is live streamed to YouTube - register to get the link to watch - even after it has finished.
Past event - 2021
19 May 8pm to 9pm
(UK time)
Live, YouTube,
Online Your Home
Tickets Price Qty
Standard Free
Donation Keep Pint of
Science going
Why can't we swim in honey? What do clouds and stars have in common? Is it possible to photograph cells with your phone? These are just some of the questions we will answer as we embark on a fascinating voyage through the science of vortices, the importance of viscosity and how we can build a microscope. Join us for a night of interesting talks given by researchers from the University of Exeter.

Vortex rings: Why do they form and how can they help us make better climate models?

Brett McKim (Postgraduate Research Student, Mathematics)
Vortex rings are an instantly recognizable type of fluid motion. From smoke rings to cumulus clouds, they occur just about everywhere. Why are vortex rings so ubiquitous? Using computer simulations, live demonstrations of smoke rings, and a bit of intuition, we will learn how vortex rings form and why they are so resilient; explore how vortex rings help us understand the expansion of cumulus clouds; and find out how a cloud's buoyancy plays a central role in its expansion as it rises. Finally, we will understand how all this can help represent cumulus clouds more accurately in models.
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Just keep swimming!

Lizzie Martin (Postgraduate Research Student)
Have you ever wondered what it's like to swim in honey? Apart from the fact that you would end up quite sticky, it would be quite hard to move from one end of the pool to the other. Weirdly enough, the reasons that make it hard to swim in a pool of honey are the same reasons a tiny device would find it difficult to swim in fluid, even a fluid like water! In this talk we will be diving into my current scientific research together by answering some questions about why and how this occurs.
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Turn your smartphone into a microscope!

Yessenia Jauregui-Sanchez (Postdoctoral Research Fellow, Physics and Astronomy)
Dr Jauregui-Sánchez is a postdoctoral research fellow at the University of Exeter. She will talk about some principles of geometrical optics (or ray optics) and their importance in building imaging systems like a camera or a microscope. At the end of the talk, you will be able to turn your smartphone into a simple microscope.
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Flash Talk - The Electronic Mathematician

James Arthur (Postgraduate Research Student)
As time goes on computers become more and more integrated into our everyday life, so why isn't Pure Mathematics moving with this? Well it is! We have interactive theorem provers, which are very much electronic mathematicians. So join me as we explore the world of Interactive Theorem Provers and learn the basics of the electronic Mathematician and I show you some of my recent work!
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