порошок

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22.07.2011 (8:48) Естественные науки >> Физика
Что определяет давление, которое может выдержать песок?
Различные порошки и другие сыпучие вещества могут держать на своей поверхности вес других объектов благодаря стабильным структурам внутри них, состоящим из отдельных частиц и называемым «мостами». В своей последней работе ученые из Германии показали, что предельно ...>>


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