---
title: The Mountain Climbing Theorem - Numberphile
link: https://www.youtube.com/watch?v=JEPqrqNqkHw
source: youtube-com-numberphile
published: 2026-07-28T14:00:08Z
updated: 2026-08-03T05:41:03Z
first_seen: 2026-09-08T10:17:10.166315Z
authors:
- Numberphile
summary: |-
  Sophie Maclean discusses the Mountain Climbing Theorem. More links & stuff in full description below ↓↓↓

  Sophie Playlist: https://www.youtube.com/playlist?list=PLt5AfwLFPxWJL8jqE19RlDCMJp7psCA6r

  Sophie Maclean is based at Kings College, London: https://sophiethemathmo.wordpress.com

  Brady's boiling water at Everest video - https://youtu.be/JTL4dj3Gx1o
  Some short clips from the Everest Base Camp Trek - https://www.youtube.com/playlist?list=PLky6yurD40o7BWCHu2kkQX8CZ5zrhxV2I
  Everest from a plane - https://www.youtube.com/watch?v=i3AK7c42mUY
  Grave of Everest - https://www.youtube.com/watch?v=hgYJOIrmSG0
  The Everest Problem (Objectivity) - https://www.youtube.com/watch?v=gXBYWc4L83Q
  Letters from Everest (Objectivity) - https://www.youtube.com/watch?v=Y0cGW5bcQlM

  Climbing pics of Sophie courtesy of Mike Nolan: https://mikenolanclimbing.co.uk/

  Patreon: http://www.patreon.com/numberphile

  Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://bit.ly/numberphile-janestreet

  We are also grateful for support from the Ben Delo Foundation - https://delo.org/

  NUMBERPHILE
  Website: http://www.numberphile.com/

  Video by Brady Haran & Pete McPartlan

  Numberphile T-Shirts and Merch: https://teespring.com/stores/numberphile

  Brady's videos subreddit: http://www.reddit.com/r/BradyHaran/

  Brady's latest videos across all channels: http://www.bradyharanblog.com/

  Sign up for (occasional) emails: http://eepurl.com/YdjL9
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---

Sophie Maclean discusses the Mountain Climbing Theorem. More links & stuff in full description below ↓↓↓

Sophie Playlist: https://www.youtube.com/playlist?list=PLt5AfwLFPxWJL8jqE19RlDCMJp7psCA6r

Sophie Maclean is based at Kings College, London: https://sophiethemathmo.wordpress.com

Brady's boiling water at Everest video - https://youtu.be/JTL4dj3Gx1o\
Some short clips from the Everest Base Camp Trek - https://www.youtube.com/playlist?list=PLky6yurD40o7BWCHu2kkQX8CZ5zrhxV2I\
Everest from a plane - https://www.youtube.com/watch?v=i3AK7c42mUY\
Grave of Everest - https://www.youtube.com/watch?v=hgYJOIrmSG0\
The Everest Problem (Objectivity) - https://www.youtube.com/watch?v=gXBYWc4L83Q\
Letters from Everest (Objectivity) - https://www.youtube.com/watch?v=Y0cGW5bcQlM

Climbing pics of Sophie courtesy of Mike Nolan: https://mikenolanclimbing.co.uk/

Patreon: http://www.patreon.com/numberphile

Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://bit.ly/numberphile-janestreet

We are also grateful for support from the Ben Delo Foundation - https://delo.org/

NUMBERPHILE\
Website: http://www.numberphile.com/

Video by Brady Haran & Pete McPartlan

Numberphile T-Shirts and Merch: https://teespring.com/stores/numberphile

Brady's videos subreddit: http://www.reddit.com/r/BradyHaran/

Brady's latest videos across all channels: http://www.bradyharanblog.com/

Sign up for (occasional) emails: http://eepurl.com/YdjL9