windsurfer

I don't think it means anything, it's probably just a curiosity. Simple equations like that probably don't work correctly when applied universe-scale.

The event horizon radius grows linearly, so it's possible for a black hole to have a lower density than water (around 7 billion solar masses). Another curiosity is that if you plug in the mass of the regular matter in the observable universe into the schwarzchild radius equation (R = 2GM/(c^2)) you get a black hole event horizon larger than the the observable universe.

If it's an existing commit and you're already converting the repo, you can just convert the commit messages as well.

Since SHA-1 is already broken (just expensive in terms of GPU-time), then the text "please see commit <sha1>" is also already broken.

C# is a "first class" language in Godot and doesn't need a GDExtension, but it's not compatible with web builds yet. There is a draft PR that includes C# support but it adds about +50 MB to a web export and is also missing a few features.

FYI requests from your demo are being blocked by CORS in Firefox and it never loads.

Yes the event horizon would be smaller than the width of a proton. Good luck getting anything into that with 300 TW of gamma rays coming out of it.

If you had a small black hole in a lab you could generate power from the hawking radiation, likely enough to power the entire world. A 1,000,000 ton black hole would last over a thousand years without feeding it more mass and produce about 300 TW of energy (increasing over time, so you better keep feeding it). You'd also need some pretty good sunglasses to be able to watch things being thrown into it. Also I'm not sure how you could throw anything into it given the amount of radiation pressure... Maybe a dedicated particle accelerator could do it.

Anything smaller while also lasting long enough to do an experiment on and you'd likely end up producing too much energy and destroying the planet.

Perhaps a [Satire] note should be added to the headline.

Yes usually, since an important aspect of steganography is error correction. For example we know that SynthID is robust enough to survive resizing and small blurs.