History of Television

History of Television — page 7
Chapter 2 Radio with Pictures Ancient methods of long-distance communication suffered major limitations Smoke signals and drumbeats had a limited range Letters took weeks or months to travel long distances These delays had dramatic effects on people’s lives For example President Abraham Lincoln delivered the Emancipation Proclamation which freed slaves on January 1 1863 The news did not reach the state of Texas until June 19 1865 a full two and a half years later During that time slaves in Texas continued to live in slavery because they did not know they were free Many technologies have bridged the gap between ancient and modern communications 12