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Rigorous Science

Beer Goggles in the Antarctic

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Background

A large colony lives in the Antarctic in a network of bases. They have so far evaded the dreadful worldwide plague.

enter image description here

When they venture outside their base they don their climate-proof clothing and their goggles. These goggles have liquid lenses.

Transmissive liquid lenses use two immiscible fluids, each with a different refractive index, to create variable-focus lenses... The two fluids, one an electrically conducting aqueous solution and one a nonconducting oil, are contained in a short tube with transparent end caps... The shape of the lens is adjusted by applying a dc voltage... http://www.smartalix.com/liquidlens.html

Question

The colonists use beer as one of the immiscible liquids in their goggles. Why is this?

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This post was sourced from https://worldbuilding.stackexchange.com/q/138675. It is licensed under CC BY-SA 4.0.

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