The milk Alice sought to drink of the other side of the Looking Glass was reversed and would therefore be Looking-glass milk, reverse milk, or anti-milk.
Most of the molecules that are present in living creatures are stereoisometric, meaning they have a left hand orientation or a right hand orientation. Sugar is an easy example; in right-hand iteration it is called dextrose, in left-handed iteration, havulose. Looking-glass milk would then be a reversal of the structure of the molecule. A true mirror-reversed reflection of milk would also reverse the structure of the molecule itself.
No scientist, dairy cow or goat has yet to produce reversed milk, but if the asymmetric structure of ordinary milk were to be reflected, you would probably not want to drink a glass of the stuff. Unless you were from behind the Looking-glass, that is.
But if all things in the Looking-glass as reversed then the same must be true for the milk, as well. If this is true, then Looking-glass milk would be composed of”anti-matter,” undrinkable by Alice; both milk and Alice would explode in a ball of fire as soon as they came in contact with one another. Of course an anti- Alice, on the other side of the Looking-glass, would find anti-milk as tasty and as fit for Dinah as ever.
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