Study shows how two types of sand can behave like light and heavy liquids, where bubbles of lighter sand form and rise through heavier sand. This sheds light on geological processes from mudslides to volcanoes, and potentially enabes new technologies from pharmaceutical production to carbon capture.

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Study shows how two types of sand can behave like light and heavy liquids, where bubbles of lighter sand form and rise through heavier sand. This sheds light on geological processes from mudslides to volcanoes, and potentially enabes new technologies from pharmaceutical production to carbon capture.