THE VIDEO SHELF · infinite sums and p-adic numbers
What does it feel like to invent math?
3Blue1Brown explores infinite sums from convergent to divergent, with an introduction to the 2-adic metric, themed on the cycle between discovering and inventing mathematics.
Why HN readers recommended it
Recommended as a favorite Grant Sanderson video and a visual introduction to p-adic numbers and sums like 1+2+4+...
This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.
Video & recommendation details
- Creator / channel
- 3Blue1Brown
- Topic
- infinite sums and p-adic numbers
- Format
- explainer
- Level
- intermediate
- HN recommenders in dataset
- 6
- HN mentions in dataset
- 6
- Recommendation years in dataset
- 2016–2024
These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.
From the original HN conversations
Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.
I loved this video [VIDEO] "An exploration of infinite sums, from convergent to divergent, including a brief introduction to the 2-adic metric, all themed on that cycle between discovery and invention in math."
JoeCamel on Hacker News · 2016-07
In Does 1+2+3+... Really Equal -1/12?So many things I could say about this, but I"ll let Alan Kay speak for me - [LINK] Alan talks about how ideas in Calculus could be manifested from an early age and a richness in understanding built up as they aged up: - at …
skadamat on Hacker News · 2017-12
In Communicating Advanced Mathematics to Kids3lue1brown has a great visualization of constructing p-adic numbers and calculating their metric through the lens of 2-adic numbers: [VIDEO] This article fills in some bits omitted from the video: [LINK]
padics on Hacker News · 2021-05
In Mathematicians Find Long-Sought Building Blocks for Special Polynomials
Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.