Technology

Scientists Made Bubbles of Sand, and That's a Big Deal


In some cases, these materials can act like liquids as they flow and take the shape of their containers.


For instance, if you pour sand onto a table it will form a pile instead of a puddle.


Part of the trick around finding laws of physics that work for granular materials is learning when they behave like liquids and when they don’t.


This instability is essentially the formation of bubbles with layered liquids of different densities.


The researchers behind the study believe that this result could help other scientists explain some rare geologic events and formations, and it may have some applications in pharmaceuticals, too.


Sand might be very weird for physics to describe, but trying to understand it comes with plenty of benefits.






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