Computer Simulations Shed Light On the Physics of Rainbows, by the Science News StaffQuicklink submitted by GLloyd Rowsey Permalink
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|ScienceDaily (Dec. 6, 2011) -- Computer scientists at UC San Diego, who set out to simulate all rainbows found in nature, wound up answering questions about the physics of rainbows as well. The scientists recreated a wide variety of rainbows -- primary rainbows, secondary rainbows, redbows that form at sunset and cloudbows that form on foggy days -- by using an improved method for simulating how light interacts with water drops of various shapes and sizes. Their new approach even yielded realistic simulations of difficult-to-replicate 'twinned' rainbows that split their primary bow in two.|
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