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Why do social networks perform so well? Answer: correcting errors in digital information

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19:30 – 21:00 22 Jan 2013
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Rutherford Lecture Theatre 1, University of Kent, Canterbury. CT2 7NZ

Speakers: Professor Paddy Farrell

There are now more mobile phones (cell phones, smart phones, Ipads, etc) in the world than fixed phones; the plain old telephone system (POTS) is being replaced by the still rapidly growing mobile-radio system (MOBS).
Users can now transmit and receive not just audio, but also video and data signals, which in turn has led to the creation of a large number of social networks (Facebook, YouTube, Twitter, LinkedIn, etc ).
Amazingly this huge complex system performs very well most of the time. One crucial reason is that the information transmitted and stored in the system is protected against mistakes by powerful error-correcting codes.
The talk will describe how these codes work, and will highlight their error-correcting power with a practical demonstration.

Event type: Event
Organised by: IOP London and South East Branch
Contact details: Dr C. Isenberg
Email: C.Isenberg@kent.ac.uk
Tel: 01227 823768

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Location icon
Rutherford Lecture Theatre 1, University of Kent, Canterbury. CT2 7NZ
Clock icon
19:30 – 21:00 22 Jan 2013
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Invite friends
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