the.com/oil slick

Crude's way of proving water and money never really mix.

means A thin, iridescent film of oil floating on water, usually spread from a leak or spill.

from Simple compound of 'oil' and 'slick' — 'slick' coming from Old English 'slician,' meaning to smooth or make sleek. The sense of a 'slick' as a smooth patch on water is recorded from the 1800s, originally describing calm, glassy stretches of sea; applying it to spilled oil was a natural extension once petroleum shipping and drilling made such spills a recognizable hazard in the 20th century.

spread rate
one liter covers up to 10000 square meters
bird death cause
hypothermia, not poisoning, from ruined feathers
rainbow sheen
light interference from a film thinner than paper
cleanup irony
dispersants often harm ecosystems more than oil alone
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