Uploaded November 2013 | Updated September 2026, 3 days ago

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Researchers have manufactured photo-chemically active polymers that can be dissolved in water or certain alcohols. When exposed to light, the polymer dissolves completely and leaves a clear form that is visible in the cloudy solution.

Source: Univ. of Helsinki

Read more: laboratoryequipment.com/videos/2013/11/light-can-draw-liquid