Home-schooled teenage girl indifferent to apples

https://www.quantamagazine.org/at-17-hannah-cairo-solved-a-major-math-mystery-20250801/?utm_source=fark&utm_medium=website&utm_content=link&ICID=ref_fark

This had me captivated for a good five minutes. I just kept watching how the patterns matched up, trying to parse out the connections in my brain.

Who knew an animation of a Rubik’s Cube and some corresponding concentric circles could be so stimulating?

I have absolutely no idea who created it. Tried to find out to no avail. (Happy to edit with a citation if someone knows.)

#mathematics #geometry #mizohatatakeuchiconjecture #hannahcairo https://www.quantamagazine.org/at-17-hannah-cairo-solved-a-major-math-mystery-20250801/

images of the Forum Hotel in Krakow, Poland, designed by Janusz Ingarden, completed in 1989

New Blog Post: "Pythagorean Party!" technology activities and visuals to celebrate pythagorean theorem & related concepts.
#MTBoS #iTeachMath #T3Learns #geometry #MathSky #MathsToday #RecreationalMath #ClassroomMath

https://karendcampe.wordpress.com/2025/07/30/pythagorean-party/

Monohedral triangle tiling of the gyroid, which is the dual tessellation of a partial Cayley surface complex of the group:

```
G = ⟨ f₁,t₁ | f₁², t₁⁶, (f₁t₁)⁴, (f₁t₁f₁t₁⁻¹f₁t₁²)² ⟩
```

Ball of radius 21. (1/2)