Buffy Mischke

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What heat can tell us about battery chemistry: Using the Peltier effect to study lithium-ion cells

The researchers studied how electric current created heat flows in a lithium-ion battery cell. The heat flowed opposite to electric current, resulting in a higher temperature on the side where current entered the cell. Credit: The Grainger College of Engineering at University of Illinois Urbana-Champaign Batteries are usually studied via electrical properties like voltage and

Confidence (or its absence) is contagious in the workplace, study finds

Credit: Pixabay/CC0 Public Domain New research by Caltech’s Kirby Nielsen, assistant professor of economics and William H. Hurt Scholar, shows that the gender gap in confidence that is often held responsible for women’s underachievement in the workplace is “contagious”; that is, when evaluating a worker’s performance based on self-assessments, reviewers will reward apparent self-confidence—and conversely

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