Gigapixel photography: Sophie Wilson
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Thursday 13 November 2014 7.30pm
Sophie Wilson examines both the photographic and computational aspects of taking extremely large photographs.
Sophie is well known for co-designing the BBC Micro-Computer and the instruction set of the ARM processor and is certain to give an extraordinarily insightful talk.
Signals in War and Peace
in conjunction with Cambridge Wireless
Thursday 27 November 2014 7.30pm
John Pether, TNMOC: “Intercepting Lorenz signals”
The first indications that the Germans were using radio teleprinter transmissions was in the latter half of 1940. This early intercept work was carried out by the Metropolitan Police, on behalf of the Foreign Office. It was apparent the standard teleprinter signals were being encrypted by an unknown device. The unknown device was the Lorenz SZ42 cipher attachment. When these messages were decrypted they revealed Hitler's communications to and between the German High Command. The result was the shortening of the war and saving countless lives.
Steve Roberts, Selex-ES: “100 Years of Electronic Warfare”
In 1914, Marconi engineers based in Chelmsford detected radio signals from German airships. The British Royal Navy recognised the importance of this and set up a chain of Direction-Finding stations on the East Coast of the UK. By 1916, a network had been established that enabled successful defence of the UK from air attacks. In the 2nd World War, the German Air Defence system was very effective, using a mixture of radar, radio and EW systems. The British and American activities to defeat this Air Defence system, and later variants produced by the Warsaw Pact, employed a wide range of equipment that would be familiar to the Electronic Warfare engineers of 2014. This talk commemorates 100 years of British activity in Electronic Warfare in support of Air Operations.
Andy Sutton, University of Salford: “Liberating the laptop: an overview of cellular data communications”
This talk will review those early days of mobile data and present a display of PCMCIA data cards and their replacement; the USB dongle, the latter leading to what was commonly known as “dongle mania” as mobile data traffic levels grew at a phenomenal rate.
Coming soon more great lectures for 2015.
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