Despite the chaotic nature of the three body problem, conservation of momentum tells us that the center of mass of orbiting bodies remains fixed! (as long as each mass started with zero velocity) pic.twitter.com/OhQpcG0u1C

— David Berardo, PhD (@SarlCagan93) November 22, 2020

Here's a microlesson on another topic I couldn't talk about in my book; vortices! #physics #science

Let's talk about what they are, which types of vortex are common, and how understanding them is connected to one of the biggest open problems in physics. pic.twitter.com/KMKExAVVkj

— Arnaldo Rodriguez-Gonzalez (@Arnaldo_AGITF) October 9, 2020