Science: Pilgrimage

Science has its holy places. This week one of them, in the suburbs of Paris, will be visited by a distinguished group of reverent pilgrims. Delegates to the International Conference on Weights & Measures, they will represent 31 nations, including the U.S.S.R.

The object of their veneration is enshrined in a white stone building in the Pare de St. Cloud. When the pilgrims have filed down three flights of basement stairs, they will be confronted by two iron doors. Behind those doors, in a massive concrete vault, lies the object.

With reverence (and three keys),...

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