In the resulting images, pixels with a high difference of brightness are rendered bright, while pixels with no or with low brightness difference are displayed in black or dark grey colors.
For example, in dealing with the structural organization of the heavens, he assumed that all stars were equally bright, so that differences in apparent brightness are an index only of differences in distances.
With respect to the light response, something remarkable happens when images of different brightness are presented to each eye: The pupil constricts when the bright stimulus, relative to the dark stimulus, dominates awareness (see Fig. 1).
One wonders whether these sudden dashes of brightness are her contribution to the house.
These changes in brightness are associated with changes in the ocean's salt content.
Its changes in brightness are too slight to be detected with the unaided eye.
Another type of photoreceptor cells, called rod cells, which chiefly register brightness, are most sensitive to blue-green light, so these wavelengths have an advantage at night.
But every detail is attended to with loving thoroughness and all its surfaces — whether engraved, molded, stamped, sculptured, textured or polished to glassy brightness — are exquisite.
Here, in ascending order of brightness, are three consoling thoughts.In this section It's time The next front is fiscal Tzipi or Bibi?
Looking up, assessing her in her big-breasted promise and her Primavera brightness, are two Roman centurions who are also English Tommies in the domed bronze helmets of the first world war.
Kenny's sensitive revision of the verse is taut and muscular, while the rhythmic boasting of Graeme Hawley's Lucifer ("the beams of my brightness are bigged with the best") suggests that the anonymous, middle-English wordsmiths had already sown the seeds of hip-hop.
