Self-propelled particles move through a cluster (VIDEO)
Caption
Like water vapor on the bathroom mirror, gas molecules come together and condense into liquid droplets due to the attractive forces between them. In a study published in Nature Physics, researchers have discovered that active particles can condense by turning and moving toward crowded areas. Here, a microscope image shows a cluster of self-propelled particles, color-coded according to their distance from the center. The particles move rapidly through the cluster as some particles leave it and new particles join it.(Video also available here: https://player.vimeo.com/video/551693369)
Credit
Courtesy of the authors: Jie Zhang, Ricard Alert, Jing Yan, Ned S. Wingreen and Steve Granick
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