## Physics is now a part of our community neighborhood!

The leaders of Mathematics thought you might also enjoy participating in Physics, so they've made it a part of their community neighborhood! Check out the rest of Mathematics community's neighborhood here.## Factorization Diagrams (from Data Pointed)

Just a cute little animation.## PBS 'Infinite Series' on Higher-Dimensional Spheres

Also some cool things involving E_8 and optimal sphere packings happened earlier this year: Quanta Article 8-dimensional arXiv link 24-dimensional arXiv link## How long would it take a pay it forward chain to spread to 7.4 billion people?

Video problem 8: Many people are familiar with the concept of paying forward, but how quickly can it actually spread if we commit to it? This video calculates how many layers of pay it forward would need to happen successfully for the chain to reach every...2 participating## 2016 Putnam Chill Thread

Wow! I have to say I really like this new layout. Even if we don't have any LaTeX/MathJax features yet, having comments side-by-side with posts seems like a big improvement. To celebrate this UI change, let's try a Putnam discussion thread. ---Take a...## Help with the Automatic Baby Cannon

Okay... this isn't what it originaly sounds like. https://www.imzy.com/worldbuilding/post/almost_hilarious_poplulation_growth/comment/f21a14c0-bd8c-11e6-9b8e-25c1d4d83c2e?_notif=14bfd8f6-be2e-11e6-a436-b5ad269b1a02 I came here from the wroldbuilding commu...## Working on a unification of math (/glossopoeia x-post)

I hope I'm doing this right. If not, let me know.## Shameless Self-Promotion and a Question

I recently made a community I think you'd all enjoy. It's called Paradoxes, and in it I've described a few of my favorite paradoxes in my own words, and I'll do more soon. It's not as advanced as some of the stuff I see here, but I bet you guys could help...