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Come to London on 20-24 July 2020 ! Learn about point configurations ! ! https://sites.google.com/view/pointconfig2020/home … "Point configurations: deformations and rigidity" a maths research school on * material science / elasticity * potential theory / approximation * modular forms / linear programmingpic.twitter.com/2QPG2PcfiL
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Looking for advice or strategy ideas for an early career researcher on how to keep competitive while changing fields! It's risky to go "all in" in a new direction and leave the comfort zone behind, whereas keeping your feet in two areas could make you uncompetitive in both..
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Mircea Petrache Retweeted
Krebs cycle part 2: malic acid crystals. This compound is also responsible for apples being sour (malic comes from the Latin for apple)
#sciartpic.twitter.com/iloSmpxxZM
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Mircea Petrache Retweeted
The chaotic surface of a living
#cell.#BabyMicrovilli#VandyCytoskeleton#Microscopy@VUCellImagingpic.twitter.com/KFEFG99EmCThanks. Twitter will use this to make your timeline better. UndoUndo -
Their choreography looks so cool. I think the individual rules are: "try to go down to eat without pushing, while staying on frontline and close to neighbors, and when the group almost passes you, get back up" This makes this awesome ghostly shape...https://twitter.com/Jamesdonovan45/status/1218412275826118662 …
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Mircea Petrache Retweeted
Take a 600-cell in 4D with 120 vertices ±v_i, i=1…60 Define F(x)=𝚷_i v_i·x Stereographically project F from a 4-sphere to 3D, then Fourier-transform from momentum space to position space. Result: this hydrogen wave function, with energy level n=61. https://www.gregegan.net/SCIENCE/SymmetricWaves/SymmetricWaves.html …pic.twitter.com/DdYMD55XsY
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Mircea Petrache Retweeted
Menthol crystals. This is what the smell of mint looks like.
#sciartpic.twitter.com/YCAiigHw6u
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Usually I hate riddles like this that work only in the decimal system. This one is not perfect but much better, because it also works in basis 6,8,.. (any even number >4, while bases 2, 4 are also morally ok for me even though you have to change a bit the statement).https://twitter.com/brilliantorg/status/1215634770186711041 …
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A "pyramid" in the shape of a regular tetrahedron of side 1 casts a shadow which happens to be an equilateral triangle as in figure. What's the distance between the tip of the pyramid and the tip of its shadow?pic.twitter.com/YnbmPFvELu
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Mircea Petrache Retweeted
I just learned from
@agolian that you could (in principle) construct any finite stage of the Koch snowflake by: • folding a square of paper • making a single cut • unfolding. Link to@agolian’s paper version: https://twitter.com/agolian/status/1214631526211579904 …pic.twitter.com/UMjiSjgtd6Show this threadThanks. Twitter will use this to make your timeline better. UndoUndo -
A math term has been well-chosen when people use it in the correct setting without wanting to .. Just heard sbdy say "this doesn't happen generically for ALL Lagrangians, they are very special" (then they realized they were talking about "special Lagrangians")
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X be the cuboctahedron (see picture) A subset Y of X's vertices "traps the center" if any small perturbation of the center of X would decrease its distance to at least one point of Y. In order to trap the center, Y must have at least 6 vertices. Can you find all 6-vertex Y's?pic.twitter.com/YPl15uRR3k
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Mircea Petrache Retweeted
Scanning across the microscopic landscape of a liquid crystal
#lcdpic.twitter.com/uxQumeGySgThanks. Twitter will use this to make your timeline better. UndoUndo -
Mircea Petrache Retweeted
Se entregan sugerencias para construir un sistema de Ciencia y Tecnología descentralizado, equitativo e inclusivo. Urgente!! Esa tríada debería ser parte de todas las propuestas que se hagan en adelante en todos los ámbitos.pic.twitter.com/fNBjfOx8D2
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Mircea Petrache Retweeted
TIL: The only known polyhedron, other than the Tetrahedron, in which each face shares an edge with every other face is the Szilassi polyhedron (a heptahedron -- each face being a hexagon, none regular). The existence of such creatures with more than 7 faces is an open problem.pic.twitter.com/ljy9cCPAs5
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If you were to choose an answer amongst the below, uniformly at random, what'd be your chance of being correct? (Poll based on post by
@Rainmaker1973 )Thanks. Twitter will use this to make your timeline better. UndoUndo -
Uhh.. seems that out of 3 voters, only 1 got it right.. here's a drawing of some of the cases: https://twitter.com/MirceaSci/status/1212795078210658304 …pic.twitter.com/tJl0cIAg4z
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"nt" was supposed to be "emergent", (typing in the gym makes more typos pop up, is my excuse)
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nice history of how the nt behaviour of "the simplest model takes over" affected the nomenclature in the biological emergent phenomena communityhttps://twitter.com/_JamesSharpe/status/1208073135372853248 …
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Mircea Petrache Retweeted
We have a fully funded PhD position available on an exciting project "Thermoregulation and ventilation in termite nests: Towards bio-inspired solutions to design energy efficient buildings". Here are the details: https://www.hw.ac.uk/schools/energy-geoscience-infrastructure-society/postgraduate-research/thermoregulation-and-ventilation-in-termite-nests-towards.htm …pic.twitter.com/GI4FAMZpcZ
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