3Blue1Brown on Infinite Sums and the 2-adic Metric
3Blue1Brown · Explainer · YouTube title: What does it feel like to invent math?
Why it's here
Recommended as a favorite Grant Sanderson video and a visual introduction to p-adic numbers and sums like 1+2+4+...
What it covers
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.