Just what’s going on when your email provider wants to send you a text message? Dr Mike Pound talks about multi-factor authentication.
Password Cracking: https://youtu.be/7U-RbOKanYs
The End of Time (Unix Time) – Numberphile: https://youtu.be/QJQ691PTKsA
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This video was filmed and edited by Sean Riley.
Computer Science at the University of Nottingham: http://bit.ly/nottscomputer
Computerphile is a sister project to Brady Haran’s Numberphile. More at http://www.bradyharan.com