• numberphile
• harmonic series
• euler
• mascheroni

The harmonic series and the elusive Euler–Mascheroni constant.
Featuring Dr Tony Padilla.
Audible: http://www.audible.com/numberphile

Extra footage: https://youtu.be/eRGN8ThZfhU

Videos about -1/12: http://bit.ly/minus_twelfth

Tony at the LHC: https://youtu.be/sVYUqMRolaA (via Sixty Symbols, our physics channel)

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Videos by Brady Haran

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