A suspension of graphite particles in water, used as a conductive coating or lubricant in scientific and electronic equipment.
From Latin 'aqua' (water) + 'dag' (a trade name abbreviation for a colloidal graphite suspension). Developed in the mid-20th century for laboratory use.
Aquadag is a physicist's secret weapon—it conducts electricity, reduces friction, and is cheap enough to use liberally in early particle detectors and vacuum equipment, making it the duct tape of the laboratory world!
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