Barred spiral galaxy sim.
500k particles, particle-mesh+cloud-in-cell gravity, live dark matter halo + bulge
#astrophysics #simulations

Ongoing side project - spiral arms sim

30k particles, Barnes-Hut Algorithm, central BH with 1M☉, exponential disk, and some initial rotational speed, 2-dimensional gravitational field.

Is that a bar forming? Curious what other astro nerds think.

#spiralarms #galaxysimulation #Nbody

Inside the Deportation Machine An analysis of data on every ICE arrest, detention stay and deportation reveals the complexity and reach of President Trump’s immigration crackdown.

With my colleagues Zach Levitt and Albert Sun, we published a story of ICE's complex detention and deportation network, tracking every person arrested, detained, and removed between Jan. 20 and July 29 this year.

www.nytimes.com/interactive/...

How Many Law Enforcement Agencies Are Involved in LA Immigration Protests? A Times analysis identified more than a dozen agencies that were on the ground in the past week. See which are represented, the gear they carry and how they interact.

www.nytimes.com/interactive/...

A visual / interactive story on the state of the permafrost in the Arctic archipelago of Svalbard. And tipping points in nature and society

saha-raj.github.io/svalbard/

#climatechange
#permafrost
#tippingpoints

Data sourced from www.brookings.edu/articles/chi...

A visualization of where Chinese tariffs will hit the hardest

saha-raj.github.io/china-tariff...