Photo by C Lloyd at SSERC (Public Domain)
A fun and simple demonstration of the absorbing power of hydrogels.
A section of nappy lining is cut out and put in a cup (opaque). Water is poured in and then the cup is upended – none comes out.
Photo by C Lloyd at SSERC (Public Domain)
A fun and simple demonstration of the absorbing power of hydrogels.
A section of nappy lining is cut out and put in a cup (opaque). Water is poured in and then the cup is upended – none comes out.
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