Science: Homemade Rubber

As U.S. citizens this week begin feeling the effects of the nation's reduced supplies of natural rubber, they will also begin hearing more & more about synthetic rubbers. Shortage or no shortage, synthetic rubbers will soon be making war news, for in many respects they are better than tree-bled rubber—notably for making the gas-retaining, sun-resisting barrage balloons which soon may be floating over such "air-raided" cities as San Francisco and New York.

Strictly speaking, there are no real synthetic rubbers, chemically identical with natural rubber, yet artificially made. Instead there are only...

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