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Social Science, Small worlds and Big Data

For as long as we have had secrets we have had secret messages.Dr James Grime looks at the fascinating history and mathematics of codes and code breaking - from ancient Greece to the present day - including a demonstration of an original WWII Enigma Machine!

Dr James Grime is a speaker and maths populariser. He has toured the world with his code-breaking talk. In his spare time, James creates videos about maths for Youtube."

14 March 2015 Engima And The Secret World Of Code Breaking

The world sends more messages today than ever before. Through the internet we email, and tweet, and instagram. And those messages are in code. This may not be surprising, but even those codes contain more secrets than you realise.

Dr James Grime will reveal how film studios know if you are sharing movies illegally. How to hide a secret message on the internet in plain sight. And the ingenious maths within a CD that allows it to keep playing.

James will also reveal a World War II code machine even more secret and difficult than the famous Enigma, and how too that code was broken. And introduce the Golden Age Hollywood actress and secret inventor who came up with an idea still used in WiFi today.

Dr James Grime is a mathematician and public speaker. Formerly of the Millennium Mathematics Project for the University of Cambridge, James now runs The Enigma Project and travels the world giving public talks on the history and mathematics of codes and code breaking. James is also a presenter of the YouTube channel numberphile.

Dr James Grime -  Bits and pieces: secrets of a digital world

Research Horizons Public Talk

As AI systems are widely deployed in real-world settings, it is critical for us to understand the mechanisms by which they take decisions. Dr Adrian Weller discusses how processes are being developed to ensure AI systems are transparent, reliable and trustworthy.

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Octavio Bomfim