Specifically, fibers from the nasal half of the left eye and the temporal half of the right eye form the right optic tract; and the fibers from the nasal half of the right eye and the temporal half of the left form the left optic tract.
A Shifting Purpose. Early cell phones were just for talking. Gradually, features like voicemail were added, but the main purpose was talk. Eventually, cell phone manufacturers began to realize that they could integrate other technologies into their phone and expand its features.
1 He invented the telephone because he is an inventor and he wanted to find a way how to communicate with other people apart from talking to them face-to-face. 2  Bell originally started looking into the telephone as a way to speak to the spirit world.