Front

Device

Back

A tool or piece of equipment made for a specific purpose.

Front

Spectrum

Back

A range of different frequencies (perceived by us as colors) of light.

Front

Interact

Back

To act in such a way as to have an effect on another; to communicate or work together.

Front

Material

Back

The matter from which a thing is or can be made.

Front

Install

Back

To set up for use or service.

Front

Laser

Back

A device that generates an intense beam of highly focused light of only one color.

Front

Generates

Back

To produce or create something.

Front

Constant

Back

A situation or state of affairs that does not change.

Front

Emit

Back

To send out something such as light, heat, sound, gas, etc.

Front

Gas

Back

A state of matter without a defined shape or volume.