By the end of the twentieth century, fiber-optic technology had made possible aworldwide communications system of breathtaking speed and capacity. This amazing network is thelatest evolution of commun
"The history of high definition television technology is traced from initial studies in Japan, through Europe, then to the United States, where the first all-digital systems were developed. The impact
In September 1878, Thomas Alva Edison brashly -- and prematurely -- proclaimed his breakthrough invention of a workable electric light. That announcement was followed by many months of intense experi
