You're almost right. It should be SiO2, not SiO4 - the latter is physically impossible[1]. The SiO4 wikipedia mentions describes the shape around the silicon centre, not the chemical stoichiometry. For example, in rock salt, each sodium ion has s…
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I agree both that a map would be useful and that it should make sense in game context too. For instance, there's no reason not to get distance readouts to a beacon in-game because we can get distance readouts to "coordinates" via …