A conversation about mathematics inspired by an Enigma machine. Presented by Katie Steckles and Peter Rowlett, with special guest Tom Briggs.
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A conversation about mathematics inspired by acoustic mirrors. Presented by Katie Steckles and Peter Rowlett, with special guest James Grime.
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Bletchley Park are planning to real-time tweet the D-Day landings on their 75th anniversary, via decrypted German Naval Enigma messages intercepted on site.
The Bletchley Park website explains:
To coincide with the 75th anniversary of D-Day, this Thursday 6 June 2019, Bletchley Park will be live tweeting minute by minute, in real time 75 years to the day, decrypted German Naval Enigma messages intercepted on site during the 6 June 1944 operation.
Starting from 23.58 GMT on 5 June, when German naval units were put on alert, to the following night by which time 156,000 Allied troops had landed by sea and air, the messages reveal how the Germans slowly realised that the Allied invasion in the West had begun. The Western Allies had landed in Normandy and not Calais as the Germans had been led to believe.
The 182 messages will be posted on the Bletchley Park twitter account @bletchleypark starting at 00.58 (GMT+1) and ending at 23.38 (GMT+1) – the times they would have originally been intercepted on 6 June 1944.
Update: If you are following the messages, it may be useful to know that Bletchley has produced a glossary of terms used.