Mute
Com.Ciência.Gaia
Quando esse squishy é colocado em uma câmara de vácuo, a pressão externa diminui rapidamente, enquanto a pressão interna do material praticamente se mantém no primeiro momento. Como resultado, surge uma diferença de pressão que empurra o material para fora, fazendo o volume aumentar. Esse fenômeno ocorre porque o ar aprisionado em microcavidades e a própria estrutura polimérica interna exercem força contra a superfície do material, que passa a se expandir até atingir um novo equilíbrio mecânico.
Follow
23
0
7
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