Light travels through what is fiber optic cabling. The cables are internally filled with long flexible tubes that are made of glass. The laser light travels through an individual glass tubing.
A telephone call travels via two posible methods or both. It can travel over an electrical current via copper wire. It more commonly travels via light through fiber optic cabling.
Light travels in straight lines that we call rays.
rays.
That is called a light-year.
Signals.
light travels in straight paths called rays
a sex when a male is on top of a female
that is one light year
light travels in ____________ which are called_
yes you can call people with a telephone!! who knew!!
light travels very fast! it travels in the form of waves.
Telephone Call From Istanbul was created in 1987.