Mar 23, 2022 · A place to share or ogle at fancy pictures of yours or others' guitars and related instruments. We are currently closed in solidarity with the thousands of subreddits participating in a blackout to voice displeasure at the new API changes that kill 3rd party apps and the aggressively dishonest way that Reddit has treated developers of said apps.

Mar 3, 2023 · Oil on the water appears rainbow colored due to the phenomenon called "thin-film interference." When light waves pass through a thin film of oil on top of the water, some of the waves are reflected off the surface of the oil and some pass through the oil and reflect off the surface of the water below.

The thickness of an oil film on water varies from place to place, because it is disturbed by the breeze and whatnot. So at any given point you see the color whose wavelength is reinforced by the specific thickness of the oil at that point. If the thickness varies smoothly, then the colors will vary smoothly, as in a rainbow.

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Apr 4, 2018 · The Rainbow 6 Discord is open: https://discord.gg/rainbow6 Welcome to the Rainbow Six subreddit, a community for R6 fans to discuss Rainbow Six Siege and past favorites. Members Online Just thinking how this game has been thriving for nearly a decade now.

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Sep 7, 2021 · This can make it reflect one colour better than others, because the light bouncing off the top (oil-air) surface interacts with the light bouncing off the bottom (water-oil) surface. The thickness of the oil can vary slightly, which means different colours are seen, because each colour of the rainbow has a different wavelength.

Posted by u/Hyenaah - 535 votes and 103 comments

When it rains, drops of oil float on the layer of water that collects on the road because the density of oil is less than that of the water--the same reason that wood floats on water. Commercial oil formulations usually contain a surfactant, an additive that causes the oil drops to spread out into a thin film atop the water.

Jul 16, 2013 · the rainbow you see on oil slicks is due to thin film interference. The oil slick is a layer of oil that is as thick as a wavelength of light. The light reflected from the top surface of the oil slick is exactly in phase with the light reflected from the bottom of the slick, so you get constructive interference resulting in more light being ...