Pressure-sensitive Paint
Pressure-sensitive paint (PSP) is a method for measuring air pressure or local oxygen concentration, usually in aerodynamic settings. PSP is paint-like coating which fluoresces under a specific illumination wavelength in differing intensities depending on the external air pressure being applied locally to its surface.
Read more about Pressure-sensitive Paint: How It Works, Where It Is Used, Binary Pressure Sensitive Paint, Advantages
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“We must learn the language of facts. The most wonderful inspirations die with their subject, if he has no hand to paint them to the senses.”
—Ralph Waldo Emerson (1803–1882)