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Tag Archives: microwave
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
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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
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Portrait Gallery
As soon as a decision is made to include pictures in a book, difficult choices have to be made about which pictures to include and which to leave out. In some cases, the decision was taken out of my hands. … Continue reading
Tagged Andrew Wheen, ARPANET, bandwidth, Charles Kao, Charles Wheatstone, Claude Shannon, communications, computer, Cyrus Field, Donald Davies, DOT-DASH TO DOT.COM, Elisha Gray, fibre optic, Francis Ronalds, George Hockham, harmonic telegraph, history, Internet, John Tawell, microwave, network, packet switching, Paul Baran, Reginald Fessenden, telecoms, telegraph, telephone, Tim Berners-Lee, transmission, undersea cable, Wheatstone, William Fothergill Cooke, World Wide Web
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