There is also a form of color keying that uses light spectrum invisible to human eye.

The hydrogen peak on the graph of the object's light spectrum was at exactly the right place.

In fact, of the light spectrum, blue is scattered the most and red the least.

UV radiation is part of the light spectrum that ranges from the earth to the sun.

He later began a study of the light spectra of radio sources.

I guess the colors were prearranged different frequencies of the light spectrum.

It is the light spectrum, as the transmission medium, that determines what the human eye can see.

For example, there are other parts of the light spectrum which are in common use today.

The jet of matter being expelled is partially visible in the light spectrum.

However, the battery has a flaw: the color yellow, the one part of the light spectrum that can resist green.