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.
Top 10 facts about the world. The first mobile phone invented is rooted in the history and technology of the hand held radio. Two way radios, or mobile rigs, were widely used by taxis and emergency services prior to the invention of the first mobile or cellular phones.