Random Dance: Volvox aureus

One of the most beautiful and elegant of the all the infusoria. In this video the Volvox is imaged, at first,  using normal brightfield illumination. After a short time, a DIC module is moved into the light path, so that it is then viewed via Differential Interference Contrast Microscopy. I like the way that DIC reveals the patterns of flow generated by the Volvox

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