Degas and the Impressionists were interested in painting the effects of light, and how the human eye sees subjects.

VOA: special.2009.07.12

In "Woman and Child Driving" she masters the effect of outdoor light and draws attention to a child's glowing face.

VOA: special.2009.07.12

He left the cold, black shadow of the lander and stepped into the blinding white light of the sun.

VOA: special.2009.07.15

The first sign of trouble was a tiny burst of light in the western sky over the United States.

VOA: special.2009.07.22

Each side of these devices blocks a set of images that appear in a different form of polarized light.

VOA: special.2010.01.26

The area has been described as a kind of oceanic desert, with light winds and slow moving water currents.

VOA: special.2009.09.22

Things cannot be as bad as they seem." He stood over the body of his wife in the disappearing light.

VOA: special.2009.10.31

Nothing happened when they turned on the light in cells in an area of the brain called the subthalamic nucleus.

VOA: special.2009.04.07

He had to make sure the great light on the top of light house would shine during the black storm.

VOA: special.2010.05.08

These thick paints can be spread in layers, one over another, to produce interesting effects of light and color.

VOA: special.2010.07.25

Plants naturally take in carbon dioxide they need for photosynthesis, the process of changing light energy to chemical energy.

VOA: special.2010.01.26

One spring night, the couple was asleep when a broad ribbon of white light slid across the old woman's pillow.

VOA: special.2009.02.28

They would put out sacrifices of food and light fires to keep the spirits from doing any harm to the living.

VOA: special.2010.10.29

In "Family of Man," a dark-haired, light-eyed woman with a bright blue head covering looks intensely at something hidden from view.

VOA: special.2009.11.20