Optical fibers are hair-thin strands of glass that carry conversations and computer data on beams of laser light.

The goal is to send control messages as pulses of light down hair-thin strands of glass or plastic.

It comes with hair-thin strands of carrot and white radish.

It uses hair-thin strands of glass to transmit voice and computer information more efficiently than copper wires do and without distortion.

Fiber-optic cables use lasers to send voice and data through hair-thin strands of glass.

Optical fibers, which are hair-thin strands of glass, carry phone conversations as pulses of light.

The network uses hair-thin strands of glass to transmit voice and information more efficiently than copper wires do.

With fiber optic cables, the signals are transmitted as pulses of light through hair-thin strands of glass.

Optical fibers are hair-thin strands of glass used to carry voice, video and data on beams of laser light.

Once a pulse of light is traveling along a hair-thin strand of glass, it does not cost very much to keep the pulse going.