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The coffee-ring pattern is detrimental when uniform application of a dried deposit is required, such as in printed electronics. It can be suppressed by adding elongated particles, such as cellulose fibers, to the spherical particles that cause the coffee-ring effect. The size and weight fraction of added particles may be smaller than those of ...
Caffè latte with an example of a "tulip" Latte art rosette pattern. Latte art is a method of preparing coffee created by pouring microfoam into a shot of espresso and resulting in a pattern or design on the surface of the caffè latte, cappuccino or hot chocolate. It can also be created or embellished by simply "drawing" in the top layer of foam.
Tasseography (also known as tasseomancy, tassology, or tasseology) is a divination or fortune-telling method that interprets patterns in tea leaves, coffee grounds, or wine sediments. The terms derive from the French word tasse ( cup ), which in turn derives from the Arabic loan-word into French tassa , and the respective Greek suffixes -graph ...
The flow can either be given in a finite representation or as a smooth function. Texture advection methods that "bend" textures (or images) according to the flow. As the image is always finite (the flow through could be given as a smooth function), these methods will visualize approximations of the real flow.
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Controlling caustic pattern is rather a challenging problem as very minor changes of the surface will significantly affect the quality of the pattern since light ray directions might be interfered by other light rays as they intersect with and refract through the material. This will lead to a scattered, discontinuous pattern.
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