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41554 blogs · [ { "id": "01a0871d-7412-70a5-aa7f-8dd5ce1af49f", "title": "Numerical Relativity 105: Smashing neutron stars together like its 2002", "url": "https://20k.github.io/c++/2025/05/07/nr105.html/c++/2025/05/07/nr105.html", "published_at": "2025-05-07T12:33:23+00:00" }, { "id": "01a0871d-7412-70a5-aa7f-8dd5cf04f6f2", "title": "Numerical Relativity 104: How to build a neutron star - from scratch", "url": "https://20k.github.io/c++/2025/05/07/nr105.html/c++/2025/04/15/nr104.html", "published_at": "2025-04-15T11:33:00+00:00" }, { "id": "01a0871d-7412-70a5-aa7f-8dd5cf7962d7", "title": "Numerical Relativity 103: Raytracing numerical spacetimes", "url": "https://20k.github.io/c++/2025/05/07/nr105.html/c++/2025/02/02/nr103.html", "published_at": "2025-02-02T12:33:23+00:00" }, { "id": "01a0871d-7412-70a5-aa7f-8dd5cff57567", "title": "Numerical Relativity 102: Simulating fast binary black hole collisions on the GPU", "url": "https://20k.github.io/c++/2025/05/07/nr105.html/c++/2025/01/12/nr102.html", "published_at": "2025-01-12T12:33:23+00:00" }, { "id": "01a0871d-7412-70a5-aa7f-8dd5d0431374", "title": "Numerical Relativity 101: Simulating spacetime on the GPU", "url": "https://20k.github.io/c++/2025/05/07/nr105.html/c++/2024/07/31/nr101.html", "published_at": "2024-07-31T12:33:23+00:00" }, { "id": "01a0871d-7412-70a5-aa7f-8dd5d0e7d03f", "title": "Implementing General Relativity: Wormholes, spinning black holes, accretion disks, and redshift", "url": "https://20k.github.io/c++/2025/05/07/nr105.html/c++/2024/07/02/wormholes.html", "published_at": "2024-07-02T18:33:23+00:00" }, { "id": "01a0871d-7412-70a5-aa7f-8dd5d1611778", "title": "Implementing General Relativity: What’s inside a black hole?", "url": "https://20k.github.io/c++/2025/05/07/nr105.html/c++/2024/06/19/tetrads.html", "published_at": "2024-06-19T19:33:23+00:00" }, { "id": "01a0871d-7412-70a5-aa7f-8dd5d1eb9330", "title": "Building a fast single source GPGPU language in C++, and rendering black holes in it", "url": "https://20k.github.io/c++/2025/05/07/nr105.html/c++/2024/06/10/gpgpgpu.html", "published_at": "2024-06-10T23:39:00+00:00" }, { "id": "01a0871d-7412-70a5-aa7f-8dd5d2d93508", "title": "Implementing General Relativity: Rendering the Schwarzschild black hole, in C++", "url": "https://20k.github.io/c++/2025/05/07/nr105.html/c++/2024/05/31/schwarzschild.html", "published_at": "2024-05-31T16:39:00+00:00" }, { "id": "01a0871d-7412-70a5-aa7f-8dd5d3bc690d", "title": "Automatic differentiation and dual numbers in C++ are pretty neat, with a single exception", "url": "https://20k.github.io/c++/2025/05/07/nr105.html/c++/2024/05/18/forward-backward-differentiation.html", "published_at": "2024-05-18T00:35:23+00:00" } ] posts Claim your blog
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2025

Numerical Relativity 105: Smashing neutron stars together like its 2002original ↗
7 May 2025
Numerical Relativity 104: How to build a neutron star - from scratchoriginal ↗
15 Apr 2025
Numerical Relativity 103: Raytracing numerical spacetimesoriginal ↗
2 Feb 2025
Numerical Relativity 102: Simulating fast binary black hole collisions on the GPUoriginal ↗
12 Jan 2025

2024

Numerical Relativity 101: Simulating spacetime on the GPUoriginal ↗
31 Jul 2024
Implementing General Relativity: Wormholes, spinning black holes, accretion disks, and redshiftoriginal ↗
2 Jul 2024
Implementing General Relativity: What’s inside a black hole?original ↗
19 Jun 2024
Building a fast single source GPGPU language in C++, and rendering black holes in itoriginal ↗
10 Jun 2024
Implementing General Relativity: Rendering the Schwarzschild black hole, in C++original ↗
31 May 2024
Automatic differentiation and dual numbers in C++ are pretty neat, with a single exceptionoriginal ↗
18 May 2024