Such A Lovely Complex

coolsciencegifs:

Polymer absorbs water and expands. It keeps almost the same refractive properties as water and appears invisible.

The polymer is Sodium Polyacrylate (thank you, thecraftychemist!)

source

Reblogged 4 years ago from thenumberonealpacaqueen (Originally from coolsciencegifs)
61,633 notes
Source: coolsciencegifs
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    Same refraction index = same level of transparency
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