Maths Observatory
@MathObservatory
Twitter account of Oxford's Mathematical Observatory. Tweets by Dominic Vella
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At small scales gravity shouldn't matter - these protein drops, however, start off spherical but change shape as they evaporate depending on the direction of (weak) gravity. Find out more at: go.aps.org/3IEpwXF
WE'RE RETURNING FOR 2023! You are now able to book for the Oxford Maths Festival, taking place 13-14 May. It's great for families with kids aged 5-13. Take a look at our programme for this year and get yourself booked. mathsfest.web.ox.ac.uk/whats-on #Maths #Family #OxMathsFest
Band-aids are flat, but knees are curved; this geometric incompatibility means blisters often form, but when depends on how bendable the band-aid is, as shown in this new study pnas.org/doi/10.1073/pn…
Please RT: seeking a postdoctoral researcher with skills in Abaqus (or similar) to study metal spinning. Deadline 19/Aug, informal enquiries to [email protected].
📢#JobFairy Exciting opportunity to join the @MACSIMaths and @Confirm_Centre @scienceirel teams @UL_Research as a Postdoctoral Researcher in Mathematical Modelling of Metal Spinning with @DoireannOKiely 👉Details: ul.ie/hrvacancies 📌Job ID: 053508 ⌚️Closing: 19th Aug
Our paper on why coffee rings are dark + thick in sharply concave regions, but light + thin in convex regions, is out now @JFluidMech (with @MathsMoore ) - see the pic. The big surprise is that this is true even for constant evaporation rate…
📢#JobFairy Exciting opportunity to join the @MACSIMaths and @Confirm_Centre @scienceirel teams @UL_Research as a Postdoctoral Researcher in Mathematical Modelling of Metal Spinning with @DoireannOKiely 👉Details: ul.ie/hrvacancies 📌Job ID: 053508 ⌚️Closing: 19th Aug
We have a post-doc opening in collaboration with @img_oxford and Janine Nunes (Princeton). More details: my.corehr.com/pls/uoxrecruit…
Scientists have long tried to create objects that can transform their shape, so-called morphing structures. But this is problematic. Just think about wrapping an orange with a piece of tissue paper: extra area has to be wasted in folds. Our way around: maths.ox.ac.uk/node/40772
Beautiful work (literally) from PT Brun and colleagues!
Fresh off the press: nature.com/articles/s4158… Soft robots are "life-like" robots 🦑🤖. Our "bubble-based" method is an easy way to fabricate and program them, e.g. to fetch a ball (w/@Trev_J_Jones , @EJambonP and @biosoftact). @Nature
Some more nice work from the thesis of @AlexBradley14 is now published!
PRFluids Editors' Suggestion: Droplet trapping in bendotaxis caused by contact angle hysteresis Alexander T. Bradley, Ian J. Hewitt, and Dominic Vella Article: go.aps.org/3wrioGW How to trap droplets moving under capillary pressure with contact angle hysteresis
[#Séminaire #IUSTI] le 19/10 à 14h : "Snap to morph", Lucie Domino @UvA_Amsterdam will present #morphing #structures made from bi stable elements (thin elastic shells) embedded in a flat elastic sheet... ➡️federation-peiresc.cnrs.fr/spip.php?artic…
![FFPCOMM's tweet image. [#Séminaire #IUSTI] le 19/10 à 14h : "Snap to morph",
Lucie Domino @UvA_Amsterdam will present #morphing #structures made from bi stable elements (thin elastic shells) embedded in a flat elastic sheet...
➡️federation-peiresc.cnrs.fr/spip.php?artic…](https://pbs.twimg.com/media/FBuQfTWX0AkG1lD.png)
Our paper on a drop confined by two graphene sheets finally comes out in Nature Communications (@NatureComms). Interested in how bilayer graphene interfaces excel in cleaning themselves by making use of elasticity and capillarity, click this: nature.com/articles/s4146…
A good opportunity to listen to @Mingchao_Liu talk about his elegant work (see: doi.org/10.1039/D0SM00… to get a flavour)
pubs.rsc.org
Tapered elasticæ as a route for axisymmetric morphing structures
Transforming flat two-dimensional (2D) sheets into three-dimensional (3D) structures by combining carefully made cuts with applied edge-loads has emerged as an exciting manufacturing paradigm in a...
Have you checked our portal? Browse "𝗲𝘅𝗽𝗲𝗿𝗶𝗺𝗲𝗻𝘁𝘀": guides to well defined practicals; "𝗶𝗱𝗲𝗮𝘀": more open-ended experiments, which might require purchase or building of some apparatus, and "𝗯𝗿𝗮𝗶𝗻𝘀𝘁𝗼𝗿𝗺𝗶𝗻𝗴": short contributions open for discussion.
Please retweet - we’re hiring! Funded PhD on the Biomechanics of wear in insect mouthparts, and its behavioural consequences. If you like animals, materials, physics and want to work in a supportive and collaborative environment, this is for you! Details: evo-biomech.ic.ac.uk/wp-content/upl…
Our recent paper about the snap-through in #Graphene #nanochannels just published in @ACS_AMI. We investigate the fluid-solid coupling #instabilities at nanoscale, and demonstrate the application in #fluidic control and #molecule selection. Link: pubs.acs.org/doi/10.1021/ac…
Why does Winkler's 'mattress model' work so well for (close to) incompressible materials when it should break down? Find out more in this work with @TGJChandler royalsocietypublishing.org/doi/10.1098/rs…
DSOFT Virtual Social Hour originally scheduled for this Friday has been rescheduled for Oct 30 (Fri) from 3 - 5 pm. Reminder: Please submit abstracts by Oct 23 for the APS March Meeting 2021. Sorting categories in DSOFT sessions are available here: march.aps.org/sorting-catego….
Our new paper on the indentation of suspended two-dimensional solids is out now in JMPS (@Elsevier_Eng), with Dominic Vella (@MathObservatory) Can discrepancies in reported material parameters be explained by geometrical or material nonlinearities? authors.elsevier.com/c/1bfug57Zjx1PA
Want to make a map that folds into a globe? If you have paper with the right thickness profile then by cutting many petals of a given shape, you can get arbitrarily close. Find out more at: doi.org/10.1039/D0SM00… (with @Mingchao_Liu )
How does the geometry of soft membranes in lymphatic channels optimize the transport of lymph and how a better understanding of this mechanism could lead to new microfluidic and soft robotic systems? More info here: journals.aps.org/prfluids/abstr…
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