
Modern Marvels
Season 4, Episode 2
Episode Title: The Telephone
Air Date: 1996-09-15
Overview:
From Alexander Graham Bellβs crude creation, to todayβs high-speed wireless networks, weβll look into the past, present and future of the telephone. Weβll visit the AT&T archives to see how the very first telephone boxes wired together with telegraph cables have evolved into vast wireless networks. Enter into the inner workings of Los Angeles Countyβs 911 emergency dispatch center, as well as explore advancements made by Lucent/Bell Labs in phone-embedded GPS technology. With telephone privacy issues making headlines, witness a demonstration of how easy it can be for someone to illegally tap your phone. Weβll also look at a technology developed by NASA-Ames that might one day allow people to converse by merely thinking what they want to say.