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What is racial battle fatigue? A school psychologist explains

When William A. Smith, a scholar of education and culture, introduced the term "racial battle fatigue" in 2003, he used it to describe the cumulative effects of racial hostility that Black people—specifically faculty and ...

Can twin boundaries resist fatigue cracking?

Grain boundaries are widely distributed in metallic crystals and have important impacts on their mechanical properties. Among them, high-angle grain boundaries (HAGBs) can strengthen metallic materials, but the stress concentration ...

Scientists investigate 3-D-printed high-entropy alloys

Scientists from the Skoltech Center for Design, Manufacturing and Materials (CDMM) and the Institute for Metals Superplasticity Problems (IMSP RAS) have studied the fatigue behavior of additive-manufactured high-entropy alloys ...

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