An extremely powerful camera with a strong light source captures the image.

Its active nucleus is a strong source of radio waves.

For instance, one particularly strong source turned out, on investigation, to arise from a galaxy 200,000,000 light- years away.

In 1982, a strong source of radio waves was detected.

It quoted strong sources who said he would turn into a successful general manager before the 2010 season.

"I think he believes nonfiction is a very strong source of movie materials."

These small cuts can clearly be seen if the disc is held in front of a strong light source.

Sunlight is a very strong source of light and of energy.

In all these works, a single, strong light source is a central element, surrounded by cast shadows.

It wasn't a strong light source, more like a photo cell or a photoreceptor.