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Stories by D. W. Breck

Molecular Sieves

The zeolite minerals, whose crystals contain a myriad of minute pores, have made possible a new branch of chemical technology. They can perform precise separations of very similar molecules...

January 1, 1959 — D. W. Breck and J. V. Smith
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Depressed by Our Devices?

Depressed by Our Devices?

How Smartphones Affect Mental Health