The new microscope, called Multi-View SPIM (MuVi-SPIM) shines a thin sheet of light on the embryo, illuminating one layer of the embryo at a time to prevent light damage.

MSN: Fruit fly embryo grows into larva in 3-D video

The most dramatic part of the cave is the opening that allows sunlight in, illuminating a wide section in a shaft of bright light.

FORBES: By Sonya Angraini (Forbes Indonesia)

Mercury arc lamps (the kind used in football stadiums) are not much better, since they emit a lot of ultraviolet light, which contributes to astronomers' woes without illuminating the action in a way that the human eye can detect.

ECONOMIST: Going, going, nearly gone

The kerosene lantern lets out a butter yellow light, illuminating the tiny mosquitoes.

ECONOMIST: Treating both sides of an intractable conflict

According to Ng the energy needed to power one A-frame is the equivalent of illuminating just one 60-watt light bulb.

CNN: Urban farming looking up in Singapore

Although the exact mechanism is still not entirely understood, it turns out that illuminating the liquid crystal, applying a voltage across a small region of it, and then turning off the light source causes a small amount of charge to be stored in that region.

ECONOMIST: Just press print