James Swan (@Jim_Swan) header
James Swan (@Jim_Swan) profile picture

Professor MIT, Department of Chemical Engineering. Soft Matter, Statistical Mechanics, Fluid Dynamics

Cambridge, MA
Joined July 2011
Photo by James Swan (@Jim_Swan)Photo by James Swan (@Jim_Swan)Photo by James Swan (@Jim_Swan)Photo by James Swan (@Jim_Swan)Photo by James Swan (@Jim_Swan)Photo by James Swan (@Jim_Swan)Photo by James Swan (@Jim_Swan)Photo by James Swan (@Jim_Swan)Photo by James Swan (@Jim_Swan)Photo by James Swan (@Jim_Swan)
The opportunity to know, work with, and mentor such remarkable young people is undoubtedly the best perk of this job.
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James Swan retweeted
A new @softmatter study by Philippe Bourrianne, Paul Lilin, Gareth McKinley, Irmgard Bischofberger, and collaborators reveals novel crack morphologies that emerge during the drying of drops of nanoparticle suspensions. mitsha.re/n0Ka50GqX41
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So long #SOR2021. It was great seeing such interesting talks and visiting with such engaging people. Until next year…
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Excited for @SoRheology 2021. Sad I’ll have to give up this view of Beech Hill Pond 30 miles away. See you all in Bangor.
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Postdoc opening joint with @Jim_Swan focused on data analytics for neutron scattering of self-assembled nanocrystal solids. Please share broadly!
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Checkout the newly redesigned Rheology Bulletin! You can see at rheology.org/sor/Publication…
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Emily Krucker-Velasquez and I just published our first paper together on the structure of conc. electrolytes. Emily found that the ratio of steric stabilization length to Debye layer thickness controls underscreening. Also, like-charge clusters abound! aip.scitation.org/doi/10.106…
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Very glad to see this paper on wormlike micelles and MAPS rheology with @garethmckinley and Kyle Lennon @doecsgf appear in @RheologicaActa. Kyle was able to use high data density rheology to learn something new about nonlinearities in a micellar solution. rdcu.be/cygGL
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#ASAP by Ariel Furst @afurst1 & team @MITChemE FurstLab @FurstLab They report a unique biosensing strategy based on a mixture of engineered S. oneidensis & freeze-dried E. coli to simultaneously degrade and electrochemically detect toxic pesticides: fal.cn/3iyor
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Spotted Keytar Bear performing at Harvard station this morning. Nature is healing.
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New paper by Simon and @chopkin9 is now up in @PNASNews: pnas.org/content/118/38/e211… In viscoelastic porous media flows, the occurrence of stagnation points in the flow field is the vital factor controlling the onset and strength of chaotic fluctuations.
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Once a year, I get to dress up, introduce the principles of Hamiltonian mechanics as they pertain to molecular dynamics + Liouville’s Theorem, and gush about the (remarkable, almost unreasonable) beauty of velocity Verlet as a symplectic integration scheme. I love this job. (1/2)
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Flagellated microorganisms often swim along what appear to be helical trajectories. It turns out this is highly generic, even if flagellar hook flexibility is considered! arxiv.org/abs/2106.08940. 1/4
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Okay @JuliaLanguage (and general science/math nerd Twitter) peeps, I’ve made a thing I think is pretty cool and I think I’m ready to share it with the world, mainly because I’m hoping you all will help add to it! What is this thing, you ask? Buckle in… 🧵: 1/9
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I gave my son a bag of dry ice to play with on the front porch. Neighbor: What are you doing? Son: It’s chemistry. Me: Well, physical chemistry. Son: Yeah, physical chemistry. It’s the best kind. Then the water bottle that had been pressurizing on the lawn exploded.
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Kyle Lennon (@doecsgf), @garethmckinley, and I have a new paper in the JNNFM Oldroyd special issue. Here, we study the weakly non-linear rheology of all possible Maxwell-type models and their parametric sensitivities in different experimental designs. doi.org/10.1016/j.jnnfm.2021…
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Is there a more consequential inequality right now? ( 1 - P(V|I) / P(V) ) / ( 1 - P(V|I) ) > 1 - 1 / R0 I've read lots of articles about breakthrough infections locally but am yet to read someone who addresses the feasibility of herd immunity. Recent MA data concerns me a bit.
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The left side is an empirical estimate of efficacy derived from P(V), the fraction of the population that is vaccinated, and P(V|I), the fraction of breakthrough infections. The right side is the threshold efficacy for herd immunity with R0, the basic reproduction number.