34.7 MB (894.7 KB compressed)
2848 x 4256 pixels
24.1 x 36.1 cm ⏐ 9.5 x 14.2 in (300dpi)
MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Oil and vinegar salad dressing. Layers of oil (top, yellow) and vinegar (bottom, orange) in a jar, ready to be used as a salad dressing. Oil and vinegar are immiscible liquids. When shaken together they form an emulsion, a mixture of small droplets. When left for a while, the two liquids separate into different layers, as seen here. For the emulsion, see image H110/4607.
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