Navy icebreaker embarks for antarctic sc
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Article
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1955
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Elsevier Science
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English
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Feb., I955.] CURRENT TOPICS I79 tastic. Polyethylene plastic normally is white, waxlike, and easily melted. After a small dose of radiation, it will retain its strength and elasticity even at high temperatures. Further irradiation makes it stiff and glasslike. New possibilities may someday include u