transmission – n. to send video or audio to another place
submersible – adj. an object covered with water, such as a submarine
optical – adj. involving the use of devices that get information for a computer by identifying patterns of light
spectrum – n. the group of colors that a ray of light can be separated into, such as the colors red, orange, yellow, green, blue, indigo, and violet
livestreamed – v. to play in real time over the internet
fiber-optic – adj. the use of thin threads of glass or plastic to carry large amounts of information in the form of light signals