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.
A landline telephone is a device with a physical line connection to a telecommunications network. Landline phones were developed in the late 19th century and became common around the world in the following decades. Cellular networks in the 2000s began to replace landlines as the dominant form of telephone connectivity.