In these reactor designs, fuel kernels are randomly distributed and shield each other, causing a shadowing effect.
Note that an out-of-focus hair (blue arrow) caused a shadow in the trans-illumination image (a), whereas CARS is highly depth-resolved; therefore, the hair was not prominently seen in (b).
As Salmon (1989, p.47) puts it, "a flagpole of a certain height causes a shadow of a given length and thereby explains the length of the shadow".
His lens lingered lovingly on the George Washington Bridge, caressing its cables and its towers, and in a 1938 night shot he made much of the Hayden Planetarium's dome (now demolished), causing a round shadow of the structure to appear with dramatic effect on the facade of a nearby building.
In [13], all four assumptions (such as light source causing a cast shadow has a certain extent) are used at the same time to detect image regions changes by moving cast shadows.
This is because the highest tip is actually causing a longer shadow than you measured; some of it is just falling over the top of the tree trunk where you can't see it.
In the well-known "Self Portrait (Double Hand, Front)" of 1988, two enormous cupped hands are held up before the camera, fingers bent down to cause a dark band of shadow across the middle that gives emotional expression to the cliché "his hands were tied".
A slender pool of illuminated water stretches along the back wall, causing a wavering liquid shadow to appear in the dim light.
Light shining on the TM is reflected and scattered, causing a TM interface shadow.
When the moon reaches position S4, its shadow falls on Jupiter, causing a small dark spot on its surface.
