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QX3 Time-Lapse Movie Gallery
Menthol
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Widely used as a flavor and fragrance chemical, menthol produces a cool sensation when tasted and smelled. It is commercially found in lotions, shaving creams, and cough drops. When recrystallized from the melt, menthol will slowly crystallize, forming beautiful spherulites and dendritic needle-like crystals. The time-lapse movie was made using a modified version of the Intel Play QX3 microscope equipped for polarized light illumination with a full-wave (first order) retardation plate.
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