The magic of adding random noise to black and white images. @standupmaths
The magic of adding random noise to black and white images.  @standupmaths
Uploaded March 2026 | Updated September 2026, 2 weeks ago
Applications for AMP are open until 11th March! jane-st.co/SUM-AMP-2026 The full puzzle is pasted below.

Come and see me on tour - live and undithered! standupmaths.com/shows

Check out JRH's video about Return of the Obra Dinn's pixel art: youtube.com/watch?v=_3qzyAHMoUU
And this great demo by Visual Rambling: https://visualrambling.space/dithering-part-1/

Huge thanks to my Patreon supporters. Their noise never makes me blue. patreon.com/standupmaths

CORRECTIONS
Nothing yet. Let me know if you spot anything!

Filming by Alex Genn-Bash
Editing by Gus Melton
Written and performed by Matt Parker
Content wrangling by Rhys Jones
Production by Nicole Jacobus
Music by Howard Carter
Design by Simon Wright and Adam Robinson

MATT PARKER: Stand-up Mathematician
Website: standupmaths.com

Here is the full Tennis Challenge puzzle:

Alice, an amateur tennis player, has just joined a tennis club. As a welcome, the head coach Jenny decided to give her a challenge - Alice will play 3 games against Jenny and another club member Carla alternatively, and she needs to win two consecutive games to win the challenge. The coach allowed Alice to pick the order in which she would like to play those games - either Jenny-Carla-Jenny, or Carla-Jenny-Carla. Everyone knows that the coach is the best player in the club.

Which order should Alice choose?
The magic of adding random noise to black and white images.Calculating pi from coin flips (without randomness)Ellipsoids and The Bizarre Behaviour of Rotating BodiesCalculating π with Avogadros NumberMaking efficient Platonic and Archimedean shapes in a kaleidoscopeHow many calendars are there?I’m going to calculate π on the Moon. Literally.New World Record! 100 Trillion digits of π.Why do all shapes lie in the Polyhedron Plane?Are odd-numbered mobius-loop cogs possible?These pixels count themselves.Can you crack the face-down card game?
Stand-up Maths |

The magic of adding random noise to black and white images.

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