Russia fires a ‘Killjoy’ hypersonic missile at Ukraine, Britain increases naval support & electoral fraud accusations in Serbia
Ukraine: The Latest
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The Seven S's of Visibility
In this chapter, they discuss the concept of the seven S's used by the British army to explain why certain things are seen in a scene. They go through each of the S's - shape, shine, shadow, surface, silhouette, spacing, and sudden movement - and explain how each factor contributes to the visibility of an object. They use an example of a truck dressed in a specific way to illustrate these points.
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