Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session H53: Elasto-Active Instabilities
2:30 PM–5:30 PM,
Tuesday, March 5, 2019
BCEC Room: 253C
Sponsoring Units: GSOFT GSNP
Chair: Corentin Coulais, University of Amsterdam
Abstract: H53.00005 : Patterning via differential activity
4:54 PM–5:30 PM
1. A general framework that characterizes how binary mixtures e.g. a poroelastic or viscoelastic network, can phase-segregate due to differential activity.
2. A specific problem of limb patterning that seeks to understand the patterns of digitiation seen in vertebrates: horses have a single digit, pigs have 2 digits, chicks have 3 fore-digits (and 4 hind-digits), we have 5 digits, and fish have many.
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