mn thấy howi sai sai nên mong mọi người sửa lại hoặc nếu k sai thì bảo là "k sai" nhóe: "What is it? Telephone​ Where was it made? Brantford, Ontario, Canada​ When was it invented? 1874​ Who invented it? ​Alexander Graham Bell, Antonio Meucci, Amos Dolbear, Johann Philipp Reis, Charles A. Cheever, John Peirce Why did the inventor think of it? (I can't find it) How was it invented? Thomas A. Watson, one of Bell's assistants, was trying to reactivate a telegraph transmitter. Hearing the sound, Bell believed that he could solve the problem of sending a human voice over a wire. He figured out how to transmit a simple current first, and received a patent for that invention on March 7, 1876.​"