Confocal images of compressed emulsions. The color coding shows the low-frequency vibrational amplitudes of the droplets from high (dark green) to low (light green). Selected for an Editors’ Suggestion.

From the article:

Evidence for Marginal Stability in Emulsions
Jie Lin, Ivane Jorjadze, Lea-Laetitia Pontani, Matthieu Wyart, and Jasna Brujic
Phys. Rev. Lett. 117, 208001 (2016)

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