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David Martínez-Rubio

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Recreational Math

All FUN tags

about 3 min read

Musi Tu (board game)

Musi Tu cards with sitelen pona symbols
about 3 min read

Explorable Explanation about fair resource allocation

  • An interactive app about assigning Internet speeds fairly.
  • Made for the Berlin Long Night of Sciences in 2022 and 2023.
  • The math question: What does “fair” mean when users share limited network links?
Abstract network preview for Fair Internet
about 5 min read

My Toki Pona number system

It’s kind of a joke that when you learn Toki Pona, you are not happy with its overly simple number system and you create another one. Usually for fun. One nu...

Preview of my Toki Pona number system.
about 1 min read

Math-inspired escape room puzzle ideas

When I was in Oxford doing my PhD in 2019, the Mathematical Institute organized a math-based escape room and asked for ideas for it. I submitted this PDF, wh...

Preview of Math Escape Room Ideas
about 2 min read

Folding paper guesses your fruit

Preview of the folding paper fruit tree activity.