-
[http://www.thehistoryof.net/history-of-cell-phones.html](leading up to the start of the cell phone)Samuel morse invented the electromagnetic telegraph
-
discovered that space was a good electrical conductor
-
from the start of the invention of the electromagnetic telegraph people have been adding and twicking things to make it better which leads up to the invention of the cell phone
-
he published a book called the dynamical theory of the electromagnetic feild
-
developed a method of transmitting and receiving messages by using the earth’s atmosphere as a conductor
-
teaming up with motorola he teamed up with motorola developing portable products
-
cell phone timeline car phones were created
-
making the call martin cooper made the first wirless call to at&t
