The Problem with Time & Timezones - Computerphile

A web app that works out how many seconds ago something happened. How hard can coding that be? Tom Scott explains how time twists and turns like a twisty-turny thing. It's not to be trifled with!

A Universe of Triangles:    • A Universe of Triangles - Computerphile  
LZ Compression in Text:    • Elegant Compression in Text (The LZ 7...  
Characters, Symbols and the Unicode Miracle:    • Characters, Symbols and the Unicode M...  

More from Tom Scott:    / enyay   and   / tomscott  

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This video was filmed and edited by Sean Riley.

Computerphile is a sister project to Brady Haran's Numberphile. See the full list of Brady's video projects at: http://bit.ly/bradychannels