Watch researchers blast a Barbie with liquid nitrogen—for science.
with a significantly hotter surface, causing it to quickly form a protective layer of vapor that briefly keeps it from evaporating, such as when water forms into droplets and runs across a very hot frying pan.
The same principle works similarly in space. In this case, a liquid nitrogen spray comes into contact with a surface’s relatively warmer lunar dust coating, causing the particles to bead and float away on the nitrogen vapors. To test their concoction, the research team first dressed a Barbie doll wrapped with a material used to make space suits. They then hosed it down with liquid nitrogen in a normal atmospheric condition as well as a vacuum chamber similar to conditions in outer space. Not only did the liquid nitrogen spray perform better in the latter scenario, but it also resulted in minimal damage to the spacesuit material.
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