RAILWAY AGE, MARCH 2023 ISSUE: Welcome to “Timeout for Tech with Gary T. Fry, Ph.D., P.E.” Each month, we examine a technology topic that professionals in the railway industry have asked to learn more ...
RAILWAY AGE, OCTOBER 2023 ISSUE: What exactly is stress? It’s a tough—and often-asked—question. Welcome to “Timeout for Tech with Gary T. Fry, Ph.D., P.E.” Each month, we examine a technology topic ...
What if we could invent materials that can repair themselves when damaged? Polymer molecules in various states – solid, melt, solution – are susceptible to covalent bond changes in response to ...
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