quinta-feira, 12 de março de 2015

Why these colored droplets appear to be alive


Like children playing a raucous game of tag, the brightly colored liquid drops shown in the video above chase each other wildly. They appear to know where they are going, but they're nothing more than water and food coloring. This mixture behaves unexpectedly, scientists have discovered, thanks to complicated vapor and surface tension interactions between drops. Read more.

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