Leveraging capability of clear liquid droplet to bend light and act as lens, process developed by researchers can be used create inexpensive, high-quality lenses for such applications as in-field disease detection, scientific research in lab, and optical lenses and microscopes for education in classrooms. Process is described in "Fabricating Low Cost and High Performance Elastomer Lenses using Hanging Droplets," which appears in Biomedical Optics Express.
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