Shedding new light on oil slick rainbows and other thin-shell physics
This microscope picture exhibits the colours of the rainbow in a flat sheet of layered liquids. Credit score: David Hoffman/SLAC Nationwide Accelerator Lab When daylight displays off a puddle of oily water in a car parking zone, it creates a rainbow of swirling colours. That is because of the precept of thin-film interference, which explains … Read more