Monday, July 31, 2006

Chirality

Chemistry students spend many hours studying the topic of handedness in molecules. Molecules can be either left- or right-handed. Today I met another aspect of handedness in chemistry: gas connectors! As a safety measure, the connectors that screw into gas cylinders are either left or right handed: fuel gasses have left-handed threads, oxidizer gases use right-handed threads. Knowledge of this did not prevent me from constructing a connection line with the wrong connector thread! I'll try again tomorrow.

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