oil

Federal data: Kansas oil spill largest in Keystone history

Federal data: Kansas oil spill largest in Keystone history

TOPEKA, Kan. (AP) – A ruptured pipe spilled enough oil this week into a northeastern Kansas creek to nearly fill an Olympic-sized swimming pool, becoming the largest land-based crude oil pipeline spill in nine years and surpassing all previous ones on the same combined pipeline system, according to federal data. Keystone Pipeline Spill Into a …

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

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

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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