Shedding

Shedding new light on oil slick rainbows and other thin film physics

Shedding new light on oil slick rainbows and other thin film physics

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This microscope image shows rainbow colors in a flat sheet of layered liquids. Credit: David Hoffman/SLAC National Accelerator Laboratory When sunlight reflects off an oily puddle in a parking lot, it creates a swirling rainbow of colors. This is because of the thin film interference principle, which explains how light reflects off different layers, or …

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Shedding light on the superconductivity of newly discovered kagome metals

Shedding light on the superconductivity of newly discovered kagome metals

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Liang Wu is an assistant professor in the Department of Physics and Astronomy in the School of Arts and Sciences. Credit: University of Pennsylvania Already used in computers and MRI machines, superconductors, materials capable of transmitting electricity without resistance, hold promise for the development of even more advanced technologies, such as aerotrains and quantum computing. …

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