Old Refractometer - Search Videos

$SHORT: Handheld Refractometer$

Invented in the late 19th Century, Refractometers measure the concentration of dissolved solids in liquids by measuring said liquids’ index of refraction. They are used in a wide variety of fields, including brewing and winemaking, medicine, aquarium keeping, automotive maintenance, and industrial processes. 0:00 0:23 Snell’s Law 0:52 ...

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