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Thiotimoline
Thiotimoline is a fictitious chemical compound conceived by science fiction author Isaac Asimov. It was first described in a spoof scientific paper titled "The Endochronic Properties of Resublimated Thiotimoline" in 1948. The major peculiarity of the chemical is its "endochronicity": when it is mixed with water, it starts dissolving ''before'' it makes contact with water.
Asimov went on to write three additional short stories, each describing different properties or uses of thiotimoline.
==Chemical properties==
In Asimov's writings the endochronicity of thiotimoline is explained by the fact that in the thiotimoline molecule, there is at least one carbon atom such that, while two of the carbon's four chemical bonds lie in normal space and time, one of the bonds projects into the future and another into the past. Thiotimoline is derived from the bark of the (fictitious) shrub ''Rosacea karlsbadensis rugo'', and the thiotimoline molecule includes at least fourteen hydroxy groups, two amino groups, and one sulfonic acid group, and possibly one nitro compound group as well. The nature of the hydrocarbon nucleus is unknown, although it seems in part to be an aromatic hydrocarbon.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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