-
Recent Ramblings
Tags
19th century Add new tag Alec Reeves Alexander Graham Bell Almon B. Strowger analogue Andre Geim Andrew Wheen Antonio Meucci ARPANET bandwidth Baudot telegraph blog Bob Metcalfe broadband bulletin board cable cable TV Cap'n Crunch cellular Charles Kao Charles Morrison Charles Wheatstone chat room Claude Shannon communications computer Cooke & Wheatstone copper cyber terrorism cyber warfare Cyrus Field David Hughes digital Domain Name System Donald Davies DOT-DASH TO DOT.COM Dr Hawley Crippen earth return electric telegraph Elisha Gray email Ethel Neave Ethernet events fax fibre optic Francis Ronalds George Hockham Graphene GSM Guglielmo Marconi harmonic telegraph health risks Heinrich Hertz history infrastructure instant messaging Internet ionising radiation James Clerk Maxwell Joe Engressia John Tawell Kostya Novoselov Madame Tussauds malware Marconi microwave mobile Morse Code network neutrino news next generation networks packet switching Paul Baran Philipp Reis Philip Reis phone phone phreaking photophone phreak podcasting radio radio telegraph ramblings blog Reginald Fessenden Robert Kahn Samuel Morse search engine security Seth Shulman signalling social networking speed of light synopsis TCP/IP telecoms telegraph telephone telephone exchange Telephone Gambit television Thomas Edison Tim Berners-Lee transmission undersea cable University of Manchester Usenet utility Vint Cerf virtual worlds Wheatstone WiFi wiki William Fothergill Cooke WiMAX World Wide Web wwwLinks
Tag Archives: radio
The First Mobile Phone?
In 1879, Professor David Hughes noticed that a clicking noise occurred in his home-made telephone whenever he used his induction balance. Hughes eventually found that the induction balance had a loose contact, and that the clicking went away when the contact … Continue reading
Posted in Telecom Ramblings
Tagged 19th century, Alexander Graham Bell, David Hughes, mobile, radio, telephone
Leave a comment
Did the Radio Telegraph lead to a Miscarriage of Justice?
In an earlier blog, we learned how Cooke and Wheatstone’s telegraph played a central role in the capture of the murderer John Tawell as he travelled by train from Slough to London. In an analogous case, the murderer Dr Hawley … Continue reading
Are Radio Waves Bad for Your Health?
The health risks associated with radioactivity have been recognized for many years. Alpha, beta and gamma emissions from radioactive sources can ionize atoms or molecules that they encounter by detaching electrons from them. People exposed to high levels of ionizing … Continue reading
Posted in Telecom Ramblings
Tagged cellular, communications, health risks, ionising radiation, microwave, mobile, network, radio, telecoms, WiFi
Leave a comment
Let’s Hear It for the Bad Boys of Physics!
Surprising as it may seem, there are still some major barriers that are holding back the march of telecommunications. One of these barriers is Einstein’s universal speed limit – the speed of light – which applies to electrical currents in … Continue reading
Posted in Telecom Ramblings
Tagged communications, fibre optic, microwave, network, neutrino, radio, speed of light, telecoms, transmission
3 Comments
A Festive Story from the History of Radio
The important role played by Guglielmo Marconi in the development of radio technology has rather obscured the achievements of other radio pioneers, and the Canadian Reginald Fessenden has been sadly overlooked. While Marconi focused on radio telegraphy, Fessenden looked for … Continue reading
Synopsis
Here’s a brief summary of each chapter. Chapter 1: The Birth of an Industry This chapter chronicles the early years of the electric telegraph. It starts with the chaotic scenes in the US congress when – after many setbacks – Samuel … Continue reading
Tagged 19th century, Alec Reeves, Alexander Graham Bell, Almon B. Strowger, analogue, Andrew Wheen, Antonio Meucci, ARPANET, blog, Bob Metcalfe, broadband, bulletin board, cable TV, Charles Morrison, Charles Wheatstone, chat room, Claude Shannon, communications, computer, digital, Domain Name System, Donald Davies, DOT-DASH TO DOT.COM, Elisha Gray, email, Ethernet, fibre optic, Francis Ronalds, GSM, Guglielmo Marconi, harmonic telegraph, Heinrich Hertz, history, instant messaging, Internet, James Clerk Maxwell, malware, mobile, Morse Code, network, next generation networks, Paul Baran, Philip Reis, phone phreaking, podcasting, radio, Robert Kahn, Samuel Morse, search engine, social networking, synopsis, TCP/IP, telecoms, telegraph, telephone, telephone exchange, television, Thomas Edison, transmission, Usenet, Vint Cerf, virtual worlds, WiFi, wiki, William Fothergill Cooke, WiMAX, World Wide Web
Comments Off on Synopsis