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.
Dr. Martin Cooper is the person credited with both inventing the modern cell phone as well as making the first cell phone call in New York City, New York in April 1973. A related invention is the cave radio phone invented by Nathan Stubblefield who was awarded a patent for the idea in the early 20 th Century (1908).Since his work does not provide the technology behind modern cell phones, he is not given credit for inventing the cell phone. related invention is the cave radio phone invented by Nathan Stubblefield who was awarded a patent for the idea in the early 20 th Century (1908). Since his work does not provide the technology behind modern cell phones, he is not given credit for inventing the cell phone.