Gregory A. Cooksey
Material Mood, 2006

Photomacrograph; Canon 20D camera with 50mm F1.8 lens and equipped with a EF25II extension tube; polarizing filters; exposed using sunlight

National Institute of Standards and Technology (NIST), Gaithersburg, MD, United States

This image shows a microfluidic device sitting on a polystyrene dish. Stainless steel needles inserted into the device serve as access points for fluids into small channels within the device, which are about the size of a human hair. The colors in the image result from the birefringence or double refraction of the polystyrene dish, which produces brilliant colors throughout the transparent microfluidic device. This research was carried out at the University of Washington, Department of Bioengineering.

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